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23300312231 = 73328616033
BaseRepresentation
bin10101101100110011…
…101000110010100111
32020010211122111112002
4111230303220302213
5340204334442411
614412022315515
71453255246310
oct255463506247
966124574462
1023300312231
119977467499
124623288b9b
132274369101
1411b0743607
1591588133b
hex56cce8ca7

23300312231 has 4 divisors (see below), whose sum is σ = 26628928272. Its totient is φ = 19971696192.

The previous prime is 23300312213. The next prime is 23300312239. The reversal of 23300312231 is 13221300332.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23300312231 - 214 = 23300295847 is a prime.

It is a super-2 number, since 2×233003122312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23300312239) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1664308010 + ... + 1664308023.

It is an arithmetic number, because the mean of its divisors is an integer number (6657232068).

Almost surely, 223300312231 is an apocalyptic number.

23300312231 is a deficient number, since it is larger than the sum of its proper divisors (3328616041).

23300312231 is an equidigital number, since it uses as much as digits as its factorization.

23300312231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3328616040.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 23300312231 its reverse (13221300332), we get a palindrome (36521612563).

The spelling of 23300312231 in words is "twenty-three billion, three hundred million, three hundred twelve thousand, two hundred thirty-one".

Divisors: 1 7 3328616033 23300312231