123149633127 has 16 divisors (see below), whose sum is σ = 166403243520. Its totient is φ = 81001876032.

The previous prime is 123149633093. The next prime is 123149633137. The reversal of 123149633127 is 721336941321.

It is not a de Polignac number, because 123149633127 - 2⁷ = 123149632999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123149633137) 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, 374473 + ... + 621714.

It is an arithmetic number, because the mean of its divisors is an integer number (10400202720).

Almost surely, 2^123149633127 is an apocalyptic number.

123149633127 is a deficient number, since it is larger than the sum of its proper divisors (43253610393).

123149633127 is an equidigital number, since it uses as much as digits as its factorization.

123149633127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996742.

The product of its digits is 163296, while the sum is 42.

The spelling of 123149633127 in words is "one hundred twenty-three billion, one hundred forty-nine million, six hundred thirty-three thousand, one hundred twenty-seven".