23425181 has 16 divisors (see below), whose sum is σ = 26761728. Its totient is φ = 20347200.

The previous prime is 23425169. The next prime is 23425211. The reversal of 23425181 is 18152432.

23425181 = T₁₁₉ + T₁₂₀ + ... + T₅₂₁.

It is a cyclic number.

It is not a de Polignac number, because 23425181 - 2²² = 19230877 is a prime.

It is a super-2 number, since 2×23425181² = 1097478209765522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23425181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23425141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14126 + ... + 15696.

It is an arithmetic number, because the mean of its divisors is an integer number (1672608).

Almost surely, 2^23425181 is an apocalyptic number.

It is an amenable number.

23425181 is a deficient number, since it is larger than the sum of its proper divisors (3336547).

23425181 is a wasteful number, since it uses less digits than its factorization.

23425181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652.

The product of its digits is 1920, while the sum is 26.

The square root of 23425181 is about 4839.9567146825. The cubic root of 23425181 is about 286.1284123498.

The spelling of 23425181 in words is "twenty-three million, four hundred twenty-five thousand, one hundred eighty-one".