23135258 has 4 divisors (see below), whose sum is σ = 34702890. Its totient is φ = 11567628.

The previous prime is 23135251. The next prime is 23135303. The reversal of 23135258 is 85253132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22972849 + 162409 = 4793^2 + 403^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23135258.

It is not an unprimeable number, because it can be changed into a prime (23135251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5783813 + ... + 5783816.

Almost surely, 2^23135258 is an apocalyptic number.

23135258 is a deficient number, since it is larger than the sum of its proper divisors (11567632).

23135258 is a wasteful number, since it uses less digits than its factorization.

23135258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11567631.

The product of its digits is 7200, while the sum is 29.

The square root of 23135258 is about 4809.9124732161. The cubic root of 23135258 is about 284.9430808666.

The spelling of 23135258 in words is "twenty-three million, one hundred thirty-five thousand, two hundred fifty-eight".