2115164623623 has 16 divisors (see below), whose sum is σ = 2830233384960. Its totient is φ = 1405110413376.

The previous prime is 2115164623577. The next prime is 2115164623651. The reversal of 2115164623623 is 3263264615112.

It is not a de Polignac number, because 2115164623623 - 2⁹ = 2115164623111 is a prime.

It is a super-2 number, since 2×2115164623623² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115164624623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162586 + ... + 2063192.

It is an arithmetic number, because the mean of its divisors is an integer number (176889586560).

Almost surely, 2^{2115164623623} is an apocalyptic number.

2115164623623 is a deficient number, since it is larger than the sum of its proper divisors (715068761337).

2115164623623 is a wasteful number, since it uses less digits than its factorization.

2115164623623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901926.

The product of its digits is 311040, while the sum is 42.

The spelling of 2115164623623 in words is "two trillion, one hundred fifteen billion, one hundred sixty-four million, six hundred twenty-three thousand, six hundred twenty-three".