23397828420 has 24 divisors (see below), whose sum is σ = 65513919744. Its totient is φ = 6239420896.

The previous prime is 23397828403. The next prime is 23397828427. The reversal of 23397828420 is 2482879332.

It is a self number, because there is not a number n which added to its sum of digits gives 23397828420.

It is not an unprimeable number, because it can be changed into a prime (23397828427) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 194981844 + ... + 194981963.

It is an arithmetic number, because the mean of its divisors is an integer number (2729746656).

Almost surely, 2^23397828420 is an apocalyptic number.

23397828420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23397828420 is an abundant number, since it is smaller than the sum of its proper divisors (42116091324).

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

23397828420 is a wasteful number, since it uses less digits than its factorization.

23397828420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389963819 (or 389963817 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 23397828420 in words is "twenty-three billion, three hundred ninety-seven million, eight hundred twenty-eight thousand, four hundred twenty".