23367157 has 12 divisors (see below), whose sum is σ = 25927020. Its totient is φ = 21042560.

The previous prime is 23367139. The next prime is 23367167. The reversal of 23367157 is 75176332.

It can be written as a sum of positive squares in 2 ways, for example, as 1920996 + 21446161 = 1386^2 + 4631^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23367157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23367107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12819 + ... + 14527.

It is an arithmetic number, because the mean of its divisors is an integer number (2160585).

Almost surely, 2^23367157 is an apocalyptic number.

It is an amenable number.

23367157 is a deficient number, since it is larger than the sum of its proper divisors (2559863).

23367157 is a wasteful number, since it uses less digits than its factorization.

23367157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844 (or 1833 counting only the distinct ones).

The product of its digits is 26460, while the sum is 34.

The square root of 23367157 is about 4833.9587296542. The cubic root of 23367157 is about 285.8919710344.

The spelling of 23367157 in words is "twenty-three million, three hundred sixty-seven thousand, one hundred fifty-seven".