23202405945 has 24 divisors (see below), whose sum is σ = 40221417600. Its totient is φ = 12373412256.

The previous prime is 23202405943. The next prime is 23202405949. The reversal of 23202405945 is 54950420232.

23202405945 is a `hidden beast` number, since 2 + 3 + 20 + 2 + 40 + 594 + 5 = 666.

It is not a de Polignac number, because 23202405945 - 2¹ = 23202405943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23202405943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 630976 + ... + 666734.

It is an arithmetic number, because the mean of its divisors is an integer number (1675892400).

Almost surely, 2^23202405945 is an apocalyptic number.

It is an amenable number.

23202405945 is a deficient number, since it is larger than the sum of its proper divisors (17019011655).

23202405945 is a wasteful number, since it uses less digits than its factorization.

23202405945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50189 (or 50186 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 23202405945 in words is "twenty-three billion, two hundred two million, four hundred five thousand, nine hundred forty-five".