23426145 has 32 divisors (see below), whose sum is σ = 43843200. Its totient is φ = 11835072.

The previous prime is 23426141. The next prime is 23426189. The reversal of 23426145 is 54162432.

23426145 is a `hidden beast` number, since 2 + 3 + 42 + 614 + 5 = 666.

It is not a de Polignac number, because 23426145 - 2² = 23426141 is a prime.

It is a super-2 number, since 2×23426145² = 1097568539122050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23426141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2002 + ... + 7131.

It is an arithmetic number, because the mean of its divisors is an integer number (1370100).

Almost surely, 2^23426145 is an apocalyptic number.

It is an amenable number.

23426145 is a deficient number, since it is larger than the sum of its proper divisors (20417055).

23426145 is a wasteful number, since it uses less digits than its factorization.

23426145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9166 (or 9160 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 23426145 is about 4840.0563013254. The cubic root of 23426145 is about 286.1323372431.

Adding to 23426145 its reverse (54162432), we get a palindrome (77588577).

The spelling of 23426145 in words is "twenty-three million, four hundred twenty-six thousand, one hundred forty-five".