23136426 has 24 divisors (see below), whose sum is σ = 50232000. Its totient is φ = 7696296.

The previous prime is 23136419. The next prime is 23136431. The reversal of 23136426 is 62463132.

23136426 is a `hidden beast` number, since 2 + 3 + 13 + 642 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 23136426.

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, 10575 + ... + 12573.

It is an arithmetic number, because the mean of its divisors is an integer number (2093000).

Almost surely, 2^23136426 is an apocalyptic number.

23136426 is an abundant number, since it is smaller than the sum of its proper divisors (27095574).

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

23136426 is a wasteful number, since it uses less digits than its factorization.

23136426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650 (or 2647 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 23136426 is about 4810.0338876145. The cubic root of 23136426 is about 284.9478759708.

Adding to 23136426 its reverse (62463132), we get a palindrome (85599558).

The spelling of 23136426 in words is "twenty-three million, one hundred thirty-six thousand, four hundred twenty-six".