23015131340999 has 4 divisors (see below), whose sum is σ = 26303007246864. Its totient is φ = 19727255435136.

The previous prime is 23015131340987. The next prime is 23015131341031. The reversal of 23015131340999 is 99904313151032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23015131340999 - 2³⁶ = 22946411864263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23015131340939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1643937952922 + ... + 1643937952935.

It is an arithmetic number, because the mean of its divisors is an integer number (6575751811716).

Almost surely, 2^{23015131340999} is an apocalyptic number.

23015131340999 is a deficient number, since it is larger than the sum of its proper divisors (3287875905865).

23015131340999 is an equidigital number, since it uses as much as digits as its factorization.

23015131340999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287875905864.

The product of its (nonzero) digits is 787320, while the sum is 50.

The spelling of 23015131340999 in words is "twenty-three trillion, fifteen billion, one hundred thirty-one million, three hundred forty thousand, nine hundred ninety-nine".