23197868880 has 80 divisors (see below), whose sum is σ = 73667409984. Its totient is φ = 6035215360.

The previous prime is 23197868879. The next prime is 23197868917. The reversal of 23197868880 is 8886879132.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×23197868880² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1168914 + ... + 1188593.

Almost surely, 2^23197868880 is an apocalyptic number.

23197868880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23197868880 is an abundant number, since it is smaller than the sum of its proper divisors (50469541104).

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

23197868880 is a wasteful number, since it uses less digits than its factorization.

23197868880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357564 (or 2357558 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 60.

The spelling of 23197868880 in words is "twenty-three billion, one hundred ninety-seven million, eight hundred sixty-eight thousand, eight hundred eighty".