23490761916 has 12 divisors (see below), whose sum is σ = 54811777832. Its totient is φ = 7830253968.

The previous prime is 23490761911. The next prime is 23490761941. The reversal of 23490761916 is 61916709432.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23490761911) 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, 978781735 + ... + 978781758.

Almost surely, 2^23490761916 is an apocalyptic number.

It is an amenable number.

23490761916 is an abundant number, since it is smaller than the sum of its proper divisors (31321015916).

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

23490761916 is a wasteful number, since it uses less digits than its factorization.

23490761916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957563500 (or 1957563498 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 23490761916 in words is "twenty-three billion, four hundred ninety million, seven hundred sixty-one thousand, nine hundred sixteen".