123994037771374 has 4 divisors (see below), whose sum is σ = 185991056657064. Its totient is φ = 61997018885686.

The previous prime is 123994037771321. The next prime is 123994037771381. The reversal of 123994037771374 is 473177730499321.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30998509442842 + ... + 30998509442845.

It is an arithmetic number, because the mean of its divisors is an integer number (46497764164266).

Almost surely, 2^{123994037771374} is an apocalyptic number.

123994037771374 is a deficient number, since it is larger than the sum of its proper divisors (61997018885690).

123994037771374 is an equidigital number, since it uses as much as digits as its factorization.

123994037771374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61997018885689.

The product of its (nonzero) digits is 168031584, while the sum is 67.

The spelling of 123994037771374 in words is "one hundred twenty-three trillion, nine hundred ninety-four billion, thirty-seven million, seven hundred seventy-one thousand, three hundred seventy-four".