23352156 has 18 divisors (see below), whose sum is σ = 59029152. Its totient is φ = 7784040.

The previous prime is 23352151. The next prime is 23352157. The reversal of 23352156 is 65125332.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23352151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 324300 + ... + 324371.

Almost surely, 2^23352156 is an apocalyptic number.

It is an amenable number.

23352156 is an abundant number, since it is smaller than the sum of its proper divisors (35676996).

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

23352156 is a wasteful number, since it uses less digits than its factorization.

23352156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648681 (or 648676 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 23352156 is about 4832.4068537324. The cubic root of 23352156 is about 285.8307799715.

Adding to 23352156 its reverse (65125332), we get a palindrome (88477488).

The spelling of 23352156 in words is "twenty-three million, three hundred fifty-two thousand, one hundred fifty-six".