123942371 has 8 divisors (see below), whose sum is σ = 146217984. Its totient is φ = 102809160.

The previous prime is 123942349. The next prime is 123942391. The reversal of 123942371 is 173249321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123942371 - 2²² = 119748067 is a prime.

It is a super-2 number, since 2×123942371² = 30723422658203282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123942391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285365 + ... + 285798.

It is an arithmetic number, because the mean of its divisors is an integer number (18277248).

Almost surely, 2^123942371 is an apocalyptic number.

123942371 is a deficient number, since it is larger than the sum of its proper divisors (22275613).

123942371 is an equidigital number, since it uses as much as digits as its factorization.

123942371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571201.

The product of its digits is 9072, while the sum is 32.

The square root of 123942371 is about 11132.9408064536. The cubic root of 123942371 is about 498.5858320288.

The spelling of 123942371 in words is "one hundred twenty-three million, nine hundred forty-two thousand, three hundred seventy-one".