123740297652444 has 48 divisors (see below), whose sum is σ = 318770186313600. Its totient is φ = 37045288085440.

The previous prime is 123740297652383. The next prime is 123740297652451. The reversal of 123740297652444 is 444256792047321.

It is a happy number.

It is a super-2 number, since 2×123740297652444² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5647136619 + ... + 5647158530.

It is an arithmetic number, because the mean of its divisors is an integer number (6641045548200).

Almost surely, 2^{123740297652444} is an apocalyptic number.

It is an amenable number.

123740297652444 is an abundant number, since it is smaller than the sum of its proper divisors (195029888661156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123740297652444 is a wasteful number, since it uses less digits than its factorization.

123740297652444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11294295250 (or 11294295248 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 60.

The spelling of 123740297652444 in words is "one hundred twenty-three trillion, seven hundred forty billion, two hundred ninety-seven million, six hundred fifty-two thousand, four hundred forty-four".