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23503001141 = 211111388631
BaseRepresentation
bin10101111000111000…
…110101011000110101
32020122222001011102202
4111320320311120311
5341113232014031
614444102514245
71461266133134
oct257070653065
966588034382
1023503001141
119a70916694
12467b135985
1322a7355289
1411cd62591b
1592856c2cb
hex578e35635

23503001141 has 4 divisors (see below), whose sum is σ = 23614389984. Its totient is φ = 23391612300.

The previous prime is 23503001113. The next prime is 23503001173. The reversal of 23503001141 is 14110030532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23503001141 is a prime.

It is a super-3 number, since 3×235030011413 (a number of 32 digits) contains 333 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 (23503001741) 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, 55694105 + ... + 55694526.

It is an arithmetic number, because the mean of its divisors is an integer number (5903597496).

Almost surely, 223503001141 is an apocalyptic number.

It is an amenable number.

23503001141 is a deficient number, since it is larger than the sum of its proper divisors (111388843).

23503001141 is a wasteful number, since it uses less digits than its factorization.

23503001141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111388842.

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 23503001141 its reverse (14110030532), we get a palindrome (37613031673).

The spelling of 23503001141 in words is "twenty-three billion, five hundred three million, one thousand, one hundred forty-one".

Divisors: 1 211 111388631 23503001141