23392821745 has 16 divisors (see below), whose sum is σ = 28261344960. Its totient is φ = 18587865024.

The previous prime is 23392821737. The next prime is 23392821787. The reversal of 23392821745 is 54712829332.

It is a cyclic number.

It is not a de Polignac number, because 23392821745 - 2³ = 23392821737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23392821695 and 23392821704.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 770014 + ... + 799816.

It is an arithmetic number, because the mean of its divisors is an integer number (1766334060).

Almost surely, 2^23392821745 is an apocalyptic number.

It is an amenable number.

23392821745 is a deficient number, since it is larger than the sum of its proper divisors (4868523215).

23392821745 is a wasteful number, since it uses less digits than its factorization.

23392821745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30864.

The product of its digits is 725760, while the sum is 46.

The spelling of 23392821745 in words is "twenty-three billion, three hundred ninety-two million, eight hundred twenty-one thousand, seven hundred forty-five".