123074857 has 4 divisors (see below), whose sum is σ = 123322000. Its totient is φ = 122827716.

The previous prime is 123074827. The next prime is 123074873. The reversal of 123074857 is 758470321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123074857 - 2²³ = 114686249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123074827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122823 + ... + 123820.

It is an arithmetic number, because the mean of its divisors is an integer number (30830500).

Almost surely, 2^123074857 is an apocalyptic number.

It is an amenable number.

123074857 is a deficient number, since it is larger than the sum of its proper divisors (247143).

123074857 is an equidigital number, since it uses as much as digits as its factorization.

123074857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247142.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 123074857 is about 11093.9108072852. The cubic root of 123074857 is about 497.4198512333.

The spelling of 123074857 in words is "one hundred twenty-three million, seventy-four thousand, eight hundred fifty-seven".