123165674940 has 144 divisors (see below), whose sum is σ = 433217627136. Its totient is φ = 25592856960.

The previous prime is 123165674921. The next prime is 123165674953. The reversal of 123165674940 is 49476561321.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 123165674940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1160964 + ... + 1262603.

It is an arithmetic number, because the mean of its divisors is an integer number (3008455744).

Almost surely, 2^123165674940 is an apocalyptic number.

123165674940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123165674940 is an abundant number, since it is smaller than the sum of its proper divisors (310051952196).

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

123165674940 is a wasteful number, since it uses less digits than its factorization.

123165674940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423608 (or 2423595 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 123165674940 in words is "one hundred twenty-three billion, one hundred sixty-five million, six hundred seventy-four thousand, nine hundred forty".