25056123 has 16 divisors (see below), whose sum is σ = 34546176. Its totient is φ = 16144160.

The previous prime is 25056107. The next prime is 25056127. The reversal of 25056123 is 32165052.

It is a cyclic number.

It is not a de Polignac number, because 25056123 - 2⁴ = 25056107 is a prime.

It is a super-2 number, since 2×25056123² = 1255618599582258, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 25056093 and 25056102.

It is not an unprimeable number, because it can be changed into a prime (25056127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10633 + ... + 12773.

It is an arithmetic number, because the mean of its divisors is an integer number (2159136).

Almost surely, 2^25056123 is an apocalyptic number.

25056123 is a deficient number, since it is larger than the sum of its proper divisors (9490053).

25056123 is a wasteful number, since it uses less digits than its factorization.

25056123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 25056123 is about 5005.6091537394. The cubic root of 25056123 is about 292.6204164877.

The spelling of 25056123 in words is "twenty-five million, fifty-six thousand, one hundred twenty-three".