23213521120987 has 8 divisors (see below), whose sum is σ = 24689242198656. Its totient is φ = 21750046691712.

The previous prime is 23213521120957. The next prime is 23213521120997. The reversal of 23213521120987 is 78902112531232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23213521120987 - 2²³ = 23213512732379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23213521120927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3061658188 + ... + 3061665769.

It is an arithmetic number, because the mean of its divisors is an integer number (3086155274832).

Almost surely, 2^{23213521120987} is an apocalyptic number.

23213521120987 is a deficient number, since it is larger than the sum of its proper divisors (1475721077669).

23213521120987 is a wasteful number, since it uses less digits than its factorization.

23213521120987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6123324197.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 23213521120987 in words is "twenty-three trillion, two hundred thirteen billion, five hundred twenty-one million, one hundred twenty thousand, nine hundred eighty-seven".