23490697908 has 12 divisors (see below), whose sum is σ = 54811628480. Its totient is φ = 7830232632.

The previous prime is 23490697859. The next prime is 23490697933. The reversal of 23490697908 is 80979609432.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 978779068 + ... + 978779091.

Almost surely, 2^23490697908 is an apocalyptic number.

It is an amenable number.

23490697908 is an abundant number, since it is smaller than the sum of its proper divisors (31320930572).

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

23490697908 is a wasteful number, since it uses less digits than its factorization.

23490697908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957558166 (or 1957558164 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 57.

The spelling of 23490697908 in words is "twenty-three billion, four hundred ninety million, six hundred ninety-seven thousand, nine hundred eight".