102123724370131 has 16 divisors (see below), whose sum is σ = 104103170285184. Its totient is φ = 100163422162944.

The previous prime is 102123724370123. The next prime is 102123724370147. The reversal of 102123724370131 is 131073427321201.

It is a cyclic number.

It is not a de Polignac number, because 102123724370131 - 2³ = 102123724370123 is a prime.

It is a super-2 number, since 2×102123724370131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102123724370111) 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, 84092761 + ... + 85298533.

It is an arithmetic number, because the mean of its divisors is an integer number (6506448142824).

Almost surely, 2^{102123724370131} is an apocalyptic number.

102123724370131 is a deficient number, since it is larger than the sum of its proper divisors (1979445915053).

102123724370131 is a wasteful number, since it uses less digits than its factorization.

102123724370131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213710.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 102123724370131 in words is "one hundred two trillion, one hundred twenty-three billion, seven hundred twenty-four million, three hundred seventy thousand, one hundred thirty-one".