123257473 has 8 divisors (see below), whose sum is σ = 124677792. Its totient is φ = 121842336.

The previous prime is 123257447. The next prime is 123257501. The reversal of 123257473 is 374752321.

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 123257473 - 2⁵ = 123257441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123257423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65086 + ... + 66952.

It is an arithmetic number, because the mean of its divisors is an integer number (15584724).

Almost surely, 2^123257473 is an apocalyptic number.

It is an amenable number.

123257473 is a deficient number, since it is larger than the sum of its proper divisors (1420319).

123257473 is a wasteful number, since it uses less digits than its factorization.

123257473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591.

The product of its digits is 35280, while the sum is 34.

The square root of 123257473 is about 11102.1382174786. The cubic root of 123257473 is about 497.6657501805.

The spelling of 123257473 in words is "one hundred twenty-three million, two hundred fifty-seven thousand, four hundred seventy-three".