23135634 has 48 divisors (see below), whose sum is σ = 52138944. Its totient is φ = 7408800.

The previous prime is 23135633. The next prime is 23135681. The reversal of 23135634 is 43653132.

It is a happy number.

23135634 is a `hidden beast` number, since 23 + 1 + 3 + 5 + 634 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (6480) is a multiple of the sum of its prime divisors (540).

It is a junction number, because it is equal to n+sod(n) for n = 23135598 and 23135607.

It is not an unprimeable number, because it can be changed into a prime (23135633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54744 + ... + 55164.

It is an arithmetic number, because the mean of its divisors is an integer number (1086228).

Almost surely, 2^23135634 is an apocalyptic number.

23135634 is an abundant number, since it is smaller than the sum of its proper divisors (29003310).

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

23135634 is a wasteful number, since it uses less digits than its factorization.

23135634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 540 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 23135634 is about 4809.9515590076. The cubic root of 23135634 is about 284.9446245136.

Adding to 23135634 its reverse (43653132), we get a palindrome (66788766).

The spelling of 23135634 in words is "twenty-three million, one hundred thirty-five thousand, six hundred thirty-four".