23392405745 has 4 divisors (see below), whose sum is σ = 28070886900. Its totient is φ = 18713924592.

The previous prime is 23392405741. The next prime is 23392405787. The reversal of 23392405745 is 54750429332.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8019381601 + 15373024144 = 89551^2 + 123988^2 .

It is a cyclic number.

It is not a de Polignac number, because 23392405745 - 2² = 23392405741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23392405696 and 23392405705.

It is not an unprimeable number, because it can be changed into a prime (23392405741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2339240570 + ... + 2339240579.

It is an arithmetic number, because the mean of its divisors is an integer number (7017721725).

Almost surely, 2^23392405745 is an apocalyptic number.

It is an amenable number.

23392405745 is a deficient number, since it is larger than the sum of its proper divisors (4678481155).

23392405745 is an equidigital number, since it uses as much as digits as its factorization.

23392405745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4678481154.

The product of its (nonzero) digits is 907200, while the sum is 44.

The spelling of 23392405745 in words is "twenty-three billion, three hundred ninety-two million, four hundred five thousand, seven hundred forty-five".