23926161 has 48 divisors (see below), whose sum is σ = 39299904. Its totient is φ = 12894336.

The previous prime is 23926159. The next prime is 23926171. The reversal of 23926161 is 16162932.

It is not a de Polignac number, because 23926161 - 2¹ = 23926159 is a prime.

It is a super-2 number, since 2×23926161² = 1144922360395842, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23926121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 288226 + ... + 288308.

It is an arithmetic number, because the mean of its divisors is an integer number (818748).

Almost surely, 2^23926161 is an apocalyptic number.

23926161 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23926161 is a deficient number, since it is larger than the sum of its proper divisors (15373743).

23926161 is a wasteful number, since it uses less digits than its factorization.

23926161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 183 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 23926161 is about 4891.4375187669. The cubic root of 23926161 is about 288.1537927632.

The spelling of 23926161 in words is "twenty-three million, nine hundred twenty-six thousand, one hundred sixty-one".