23658426880 has 160 divisors (see below), whose sum is σ = 62758447488. Its totient is φ = 8481177600.

The previous prime is 23658426871. The next prime is 23658426901. The reversal of 23658426880 is 8862485632.

It is a tau number, because it is divible by the number of its divisors (160).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1993444 + ... + 2005276.

Almost surely, 2^23658426880 is an apocalyptic number.

23658426880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23658426880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31379223744).

23658426880 is an abundant number, since it is smaller than the sum of its proper divisors (39100020608).

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

23658426880 is a wasteful number, since it uses less digits than its factorization.

23658426880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11938 (or 11922 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 52.

The spelling of 23658426880 in words is "twenty-three billion, six hundred fifty-eight million, four hundred twenty-six thousand, eight hundred eighty".