23291154008087 has 4 divisors (see below), whose sum is σ = 26618461723536. Its totient is φ = 19963846292640.

The previous prime is 23291154008051. The next prime is 23291154008099. The reversal of 23291154008087 is 78080045119232.

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 23291154008087 - 2¹⁸ = 23291153745943 is a prime.

It is a super-2 number, since 2×23291154008087² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23291154008047) 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, 1663653857714 + ... + 1663653857727.

It is an arithmetic number, because the mean of its divisors is an integer number (6654615430884).

Almost surely, 2^{23291154008087} is an apocalyptic number.

23291154008087 is a deficient number, since it is larger than the sum of its proper divisors (3327307715449).

23291154008087 is an equidigital number, since it uses as much as digits as its factorization.

23291154008087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3327307715448.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 23291154008087 in words is "twenty-three trillion, two hundred ninety-one billion, one hundred fifty-four million, eight thousand, eighty-seven".