122240452172623 has 16 divisors (see below), whose sum is σ = 123664933029600. Its totient is φ = 120825278115840.

The previous prime is 122240452172609. The next prime is 122240452172633. The reversal of 122240452172623 is 326271254042221.

It is a cyclic number.

It is not a de Polignac number, because 122240452172623 - 2²⁹ = 122239915301711 is a prime.

It is a super-2 number, since 2×122240452172623² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122240452172623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122240452172633) 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, 39301963 + ... + 42298051.

It is an arithmetic number, because the mean of its divisors is an integer number (7729058314350).

Almost surely, 2^{122240452172623} is an apocalyptic number.

122240452172623 is a deficient number, since it is larger than the sum of its proper divisors (1424480856977).

122240452172623 is a wasteful number, since it uses less digits than its factorization.

122240452172623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997642.

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 122240452172623 in words is "one hundred twenty-two trillion, two hundred forty billion, four hundred fifty-two million, one hundred seventy-two thousand, six hundred twenty-three".