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23201233320 = 2335375225503
BaseRepresentation
bin10101100110111001…
…101011100110101000
32012212221012202210210
4111212321223212220
5340004003431240
614354122541120
71450643141436
oct254671534650
965787182723
1023201233320
119926544aa1
1245b60677a0
132259988935
1411a1511d56
1590bd0e780
hex566e6b9a8

23201233320 has 64 divisors (see below), whose sum is σ = 71484894720. Its totient is φ = 6019778304.

The previous prime is 23201233313. The next prime is 23201233331. The reversal of 23201233320 is 2333210232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2608312 + ... + 2617191.

It is an arithmetic number, because the mean of its divisors is an integer number (1116951480).

Almost surely, 223201233320 is an apocalyptic number.

23201233320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23201233320 is an abundant number, since it is smaller than the sum of its proper divisors (48283661400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23201233320 is a wasteful number, since it uses less digits than its factorization.

23201233320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5225554 (or 5225550 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 23201233320 its reverse (2333210232), we get a palindrome (25534443552).

The spelling of 23201233320 in words is "twenty-three billion, two hundred one million, two hundred thirty-three thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 37 40 60 74 111 120 148 185 222 296 370 444 555 740 888 1110 1480 2220 4440 5225503 10451006 15676509 20902012 26127515 31353018 41804024 52255030 62706036 78382545 104510060 125412072 156765090 193343611 209020120 313530180 386687222 580030833 627060360 773374444 966718055 1160061666 1546748888 1933436110 2320123332 2900154165 3866872220 4640246664 5800308330 7733744440 11600616660 23201233320