23347156 has 48 divisors (see below), whose sum is σ = 48416256. Its totient is φ = 9644544.

The previous prime is 23347141. The next prime is 23347157. The reversal of 23347156 is 65174332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23347157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148630 + ... + 148786.

It is an arithmetic number, because the mean of its divisors is an integer number (1008672).

Almost surely, 2^23347156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23347156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24208128).

23347156 is an abundant number, since it is smaller than the sum of its proper divisors (25069100).

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

23347156 is a wasteful number, since it uses less digits than its factorization.

23347156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 326 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 23347156 is about 4831.8894854912. The cubic root of 23347156 is about 285.8103784875.

The spelling of 23347156 in words is "twenty-three million, three hundred forty-seven thousand, one hundred fifty-six".