123256934 has 8 divisors (see below), whose sum is σ = 185032488. Its totient is φ = 61579440.

The previous prime is 123256927. The next prime is 123256937. The reversal of 123256934 is 439652321.

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

It is a junction number, because it is equal to n+sod(n) for n = 123256894 and 123256903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123256937) 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, 21287 + ... + 26450.

It is an arithmetic number, because the mean of its divisors is an integer number (23129061).

Almost surely, 2^123256934 is an apocalyptic number.

123256934 is a deficient number, since it is larger than the sum of its proper divisors (61775554).

123256934 is a wasteful number, since it uses less digits than its factorization.

123256934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49030.

The product of its digits is 38880, while the sum is 35.

The square root of 123256934 is about 11102.1139428489. The cubic root of 123256934 is about 497.6650247553.

The spelling of 123256934 in words is "one hundred twenty-three million, two hundred fifty-six thousand, nine hundred thirty-four".