23259421420 has 48 divisors (see below), whose sum is σ = 51769434528. Its totient is φ = 8747781120.

The previous prime is 23259421397. The next prime is 23259421447. The reversal of 23259421420 is 2412495232.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 313639 + ... + 380641.

It is an arithmetic number, because the mean of its divisors is an integer number (1078529886).

Almost surely, 2^23259421420 is an apocalyptic number.

23259421420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23259421420 is an abundant number, since it is smaller than the sum of its proper divisors (28510013108).

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

23259421420 is a wasteful number, since it uses less digits than its factorization.

23259421420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68050 (or 68048 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 23259421420 in words is "twenty-three billion, two hundred fifty-nine million, four hundred twenty-one thousand, four hundred twenty".