23370157 has 4 divisors (see below), whose sum is σ = 23391580. Its totient is φ = 23348736.

The previous prime is 23370101. The next prime is 23370167. The reversal of 23370157 is 75107332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18267076 + 5103081 = 4274^2 + 2259^2 .

It is a cyclic number.

It is not a de Polignac number, because 23370157 - 2⁷ = 23370029 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 (23370167) 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 3 ways as a sum of consecutive naturals, for example, 8982 + ... + 11287.

It is an arithmetic number, because the mean of its divisors is an integer number (5847895).

Almost surely, 2^23370157 is an apocalyptic number.

It is an amenable number.

23370157 is a deficient number, since it is larger than the sum of its proper divisors (21423).

23370157 is a wasteful number, since it uses less digits than its factorization.

23370157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21422.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 23370157 is about 4834.2690243717. The cubic root of 23370157 is about 285.9042052885.

Adding to 23370157 its reverse (75107332), we get a palindrome (98477489).

The spelling of 23370157 in words is "twenty-three million, three hundred seventy thousand, one hundred fifty-seven".