123869256 has 48 divisors (see below), whose sum is σ = 360235440. Its totient is φ = 35390880.

The previous prime is 123869243. The next prime is 123869279. The reversal of 123869256 is 652968321.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51490 + ... + 53841.

It is an arithmetic number, because the mean of its divisors is an integer number (7504905).

Almost surely, 2^123869256 is an apocalyptic number.

It is an amenable number.

123869256 is an abundant number, since it is smaller than the sum of its proper divisors (236366184).

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

123869256 is a wasteful number, since it uses less digits than its factorization.

123869256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105354 (or 105343 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 123869256 is about 11129.6565984760. The cubic root of 123869256 is about 498.4877722789.

The spelling of 123869256 in words is "one hundred twenty-three million, eight hundred sixty-nine thousand, two hundred fifty-six".