123256467 has 12 divisors (see below), whose sum is σ = 184176720. Its totient is φ = 79337328.

The previous prime is 123256457. The next prime is 123256489. The reversal of 123256467 is 764652321.

123256467 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 5 + 646 + 7 = 666.

It is not a de Polignac number, because 123256467 - 2¹⁰ = 123255443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123256457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235863 + ... + 236384.

It is an arithmetic number, because the mean of its divisors is an integer number (15348060).

Almost surely, 2^123256467 is an apocalyptic number.

123256467 is a deficient number, since it is larger than the sum of its proper divisors (60920253).

123256467 is a wasteful number, since it uses less digits than its factorization.

123256467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472282 (or 472279 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 123256467 is about 11102.0929107984. The cubic root of 123256467 is about 497.6643962312.

The spelling of 123256467 in words is "one hundred twenty-three million, two hundred fifty-six thousand, four hundred sixty-seven".