23258 has 8 divisors (see below), whose sum is σ = 36180. Its totient is φ = 11200.

The previous prime is 23251. The next prime is 23269. The reversal of 23258 is 85232.

It can be written as a sum of positive squares in 2 ways, for example, as 20449 + 2809 = 143^2 + 53^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143 + ... + 258.

2²³²⁵⁸ is an apocalyptic number.

23258 is a deficient number, since it is larger than the sum of its proper divisors (12922).

23258 is a wasteful number, since it uses less digits than its factorization.

23258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432.

The product of its digits is 480, while the sum is 20.

The square root of 23258 is about 152.5057375970. The cubic root of 23258 is about 28.5446105499.

It can be divided in two parts, 232 and 58, that multiplied together give a square (13456 = 116²).

The spelling of 23258 in words is "twenty-three thousand, two hundred fifty-eight".