23490700938 has 24 divisors (see below), whose sum is σ = 51730890276. Its totient is φ = 7701868800.

The previous prime is 23490700931. The next prime is 23490701041. The reversal of 23490700938 is 83900709432.

It is a happy number.

23490700938 is a `hidden beast` number, since 2 + 3 + 490 + 70 + 0 + 93 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14071416129 + 9419284809 = 118623^2 + 97053^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23490700893 and 23490700902.

It is not an unprimeable number, because it can be changed into a prime (23490700931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10695943 + ... + 10698138.

Almost surely, 2^23490700938 is an apocalyptic number.

23490700938 is an abundant number, since it is smaller than the sum of its proper divisors (28240189338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23490700938 is a wasteful number, since it uses less digits than its factorization.

23490700938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21394150 (or 21394147 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 23490700938 in words is "twenty-three billion, four hundred ninety million, seven hundred thousand, nine hundred thirty-eight".