23135532 has 24 divisors (see below), whose sum is σ = 61694976. Its totient is φ = 6610128.

The previous prime is 23135527. The next prime is 23135537. The reversal of 23135532 is 23553132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23135527) and next prime (23135537).

It is not an unprimeable number, because it can be changed into a prime (23135537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137628 + ... + 137795.

It is an arithmetic number, because the mean of its divisors is an integer number (2570624).

Almost surely, 2^23135532 is an apocalyptic number.

It is an amenable number.

23135532 is an abundant number, since it is smaller than the sum of its proper divisors (38559444).

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

23135532 is a wasteful number, since it uses less digits than its factorization.

23135532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275437 (or 275435 counting only the distinct ones).

The product of its digits is 2700, while the sum is 24.

The square root of 23135532 is about 4809.9409559786. The cubic root of 23135532 is about 284.9442057600.

Adding to 23135532 its reverse (23553132), we get a palindrome (46688664).

The spelling of 23135532 in words is "twenty-three million, one hundred thirty-five thousand, five hundred thirty-two".