23157150 has 48 divisors (see below), whose sum is σ = 57746304. Its totient is φ = 6141280.

The previous prime is 23157149. The next prime is 23157151. The reversal of 23157150 is 5175132.

It is an interprime number because it is at equal distance from previous prime (23157149) and next prime (23157151).

It is a super-2 number, since 2×23157150² = 1072507192245000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23157150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23157151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39157 + ... + 39743.

It is an arithmetic number, because the mean of its divisors is an integer number (1203048).

Almost surely, 2^23157150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23157150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28873152).

23157150 is an abundant number, since it is smaller than the sum of its proper divisors (34589154).

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

23157150 is a wasteful number, since it uses less digits than its factorization.

23157150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 23157150 is about 4812.1876522014. The cubic root of 23157150 is about 285.0329294054.

The spelling of 23157150 in words is "twenty-three million, one hundred fifty-seven thousand, one hundred fifty".