23318152 has 96 divisors (see below), whose sum is σ = 55301400. Its totient is φ = 9123840.

The previous prime is 23318147. The next prime is 23318153. The reversal of 23318152 is 25181332.

It can be written as a sum of positive squares in 4 ways, for example, as 20738916 + 2579236 = 4554^2 + 1606^2 .

It is not an unprimeable number, because it can be changed into a prime (23318153) 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, 213874 + ... + 213982.

Almost surely, 2^23318152 is an apocalyptic number.

23318152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23318152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27650700).

23318152 is an abundant number, since it is smaller than the sum of its proper divisors (31983248).

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

23318152 is a wasteful number, since it uses less digits than its factorization.

23318152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 152 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 23318152 is about 4828.8872424193. The cubic root of 23318152 is about 285.6919760675.

Adding to 23318152 its reverse (25181332), we get a palindrome (48499484).

The spelling of 23318152 in words is "twenty-three million, three hundred eighteen thousand, one hundred fifty-two".