23512156125020 has 24 divisors (see below), whose sum is σ = 49376408650800. Its totient is φ = 9404694680832.

The previous prime is 23512156124971. The next prime is 23512156125037. The reversal of 23512156125020 is 2052165121532.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9333290 + ... + 11581649.

It is an arithmetic number, because the mean of its divisors is an integer number (2057350360450).

Almost surely, 2^{23512156125020} is an apocalyptic number.

23512156125020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23512156125020 is an abundant number, since it is smaller than the sum of its proper divisors (25864252525780).

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

23512156125020 is a wasteful number, since it uses less digits than its factorization.

23512156125020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20971157 (or 20971155 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 23512156125020 in words is "twenty-three trillion, five hundred twelve billion, one hundred fifty-six million, one hundred twenty-five thousand, twenty".