23115350420 has 48 divisors (see below), whose sum is σ = 48911158800. Its totient is φ = 9175981056.

The previous prime is 23115350417. The next prime is 23115350443. The reversal of 23115350420 is 2405351132.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1519284484 + 21596065936 = 38978^2 + 146956^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23115350420.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4267634 + ... + 4273046.

It is an arithmetic number, because the mean of its divisors is an integer number (1018982475).

Almost surely, 2^23115350420 is an apocalyptic number.

23115350420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23115350420 is an abundant number, since it is smaller than the sum of its proper divisors (25795808380).

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

23115350420 is a wasteful number, since it uses less digits than its factorization.

23115350420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7004 (or 7002 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 23115350420 in words is "twenty-three billion, one hundred fifteen million, three hundred fifty thousand, four hundred twenty".