123770726630040 has 128 divisors (see below), whose sum is σ = 438045705400320. Its totient is φ = 27377856576000.

The previous prime is 123770726630027. The next prime is 123770726630041. The reversal of 123770726630040 is 40036627077321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123770726630041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2376524011 + ... + 2376576090.

It is an arithmetic number, because the mean of its divisors is an integer number (3422232073440).

Almost surely, 2^{123770726630040} is an apocalyptic number.

123770726630040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123770726630040 is an abundant number, since it is smaller than the sum of its proper divisors (314274978770280).

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

123770726630040 is a wasteful number, since it uses less digits than its factorization.

123770726630040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4753100153 (or 4753100149 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 48.

The spelling of 123770726630040 in words is "one hundred twenty-three trillion, seven hundred seventy billion, seven hundred twenty-six million, six hundred thirty thousand, forty".