123793860420 has 72 divisors (see below), whose sum is σ = 379153809216. Its totient is φ = 32691189312.

The previous prime is 123793860397. The next prime is 123793860433. The reversal of 123793860420 is 24068397321.

123793860420 is a `hidden beast` number, since 1 + 2 + 3 + 7 + 9 + 38 + 604 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3320022 + ... + 3357101.

It is an arithmetic number, because the mean of its divisors is an integer number (5266025128).

Almost surely, 2^123793860420 is an apocalyptic number.

123793860420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123793860420 is an abundant number, since it is smaller than the sum of its proper divisors (255359948796).

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

123793860420 is a wasteful number, since it uses less digits than its factorization.

123793860420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6677241 (or 6677236 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 123793860420 in words is "one hundred twenty-three billion, seven hundred ninety-three million, eight hundred sixty thousand, four hundred twenty".