23751612557745 has 64 divisors (see below), whose sum is σ = 38836048368384. Its totient is φ = 12391198110720.

The previous prime is 23751612557741. The next prime is 23751612557791. The reversal of 23751612557745 is 54775521615732.

It is not a de Polignac number, because 23751612557745 - 2² = 23751612557741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23751612557741) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 355726734 + ... + 355793496.

It is an arithmetic number, because the mean of its divisors is an integer number (606813255756).

Almost surely, 2^{23751612557745} is an apocalyptic number.

It is an amenable number.

23751612557745 is a deficient number, since it is larger than the sum of its proper divisors (15084435810639).

23751612557745 is a wasteful number, since it uses less digits than its factorization.

23751612557745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68162.

The product of its digits is 61740000, while the sum is 60.

The spelling of 23751612557745 in words is "twenty-three trillion, seven hundred fifty-one billion, six hundred twelve million, five hundred fifty-seven thousand, seven hundred forty-five".