23945513961 has 8 divisors (see below), whose sum is σ = 32790253504. Its totient is φ = 15532225200.

The previous prime is 23945513957. The next prime is 23945514011. The reversal of 23945513961 is 16931554932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23945513961 - 2² = 23945513957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23945513961.

It is not an unprimeable number, because it can be changed into a prime (23945513941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107862565 + ... + 107862786.

It is an arithmetic number, because the mean of its divisors is an integer number (4098781688).

Almost surely, 2^23945513961 is an apocalyptic number.

It is an amenable number.

23945513961 is a deficient number, since it is larger than the sum of its proper divisors (8844739543).

23945513961 is a wasteful number, since it uses less digits than its factorization.

23945513961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215725391.

The product of its digits is 874800, while the sum is 48.

The spelling of 23945513961 in words is "twenty-three billion, nine hundred forty-five million, five hundred thirteen thousand, nine hundred sixty-one".