23120091799515 has 12 divisors (see below), whose sum is σ = 40074825785904. Its totient is φ = 12330715626384.

The previous prime is 23120091799481. The next prime is 23120091799537. The reversal of 23120091799515 is 51599719002132.

It is a happy number.

23120091799515 is a `hidden beast` number, since 2 + 3 + 1 + 20 + 0 + 9 + 17 + 99 + 515 = 666.

It is not a de Polignac number, because 23120091799515 - 2⁶ = 23120091799451 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256889908839 + ... + 256889908928.

It is an arithmetic number, because the mean of its divisors is an integer number (3339568815492).

Almost surely, 2^{23120091799515} is an apocalyptic number.

23120091799515 is a deficient number, since it is larger than the sum of its proper divisors (16954733986389).

23120091799515 is a wasteful number, since it uses less digits than its factorization.

23120091799515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513779817778 (or 513779817775 counting only the distinct ones).

The product of its (nonzero) digits is 1530900, while the sum is 54.

The spelling of 23120091799515 in words is "twenty-three trillion, one hundred twenty billion, ninety-one million, seven hundred ninety-nine thousand, five hundred fifteen".