123394160 has 40 divisors (see below), whose sum is σ = 303770736. Its totient is φ = 46453760.

The previous prime is 123394157. The next prime is 123394199. The reversal of 123394160 is 61493321.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×123394160² = 30452237444211200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44006 + ... + 46725.

Almost surely, 2^123394160 is an apocalyptic number.

123394160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123394160 is an abundant number, since it is smaller than the sum of its proper divisors (180376576).

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

123394160 is a wasteful number, since it uses less digits than its factorization.

123394160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90761 (or 90755 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 123394160 is about 11108.2923980241. The cubic root of 123394160 is about 497.8496452062.

The spelling of 123394160 in words is "one hundred twenty-three million, three hundred ninety-four thousand, one hundred sixty".