23291898636 has 48 divisors (see below), whose sum is σ = 54716153184. Its totient is φ = 7711474176.

The previous prime is 23291898631. The next prime is 23291898653. The reversal of 23291898636 is 63689819232.

It is not an unprimeable number, because it can be changed into a prime (23291898631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1441096 + ... + 1457168.

It is an arithmetic number, because the mean of its divisors is an integer number (1139919858).

Almost surely, 2^23291898636 is an apocalyptic number.

It is an amenable number.

23291898636 is an abundant number, since it is smaller than the sum of its proper divisors (31424254548).

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

23291898636 is a wasteful number, since it uses less digits than its factorization.

23291898636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16890 (or 16888 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 57.

The spelling of 23291898636 in words is "twenty-three billion, two hundred ninety-one million, eight hundred ninety-eight thousand, six hundred thirty-six".