23326157 has 2 divisors, whose sum is σ = 23326158. Its totient is φ = 23326156.

The previous prime is 23326133. The next prime is 23326189. The reversal of 23326157 is 75162332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14600041 + 8726116 = 3821^2 + 2954^2 .

It is a cyclic number.

It is not a de Polignac number, because 23326157 - 2¹⁶ = 23260621 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23326757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11663078 + 11663079.

It is an arithmetic number, because the mean of its divisors is an integer number (11663079).

Almost surely, 2^23326157 is an apocalyptic number.

It is an amenable number.

23326157 is a deficient number, since it is larger than the sum of its proper divisors (1).

23326157 is an equidigital number, since it uses as much as digits as its factorization.

23326157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 29.

The square root of 23326157 is about 4829.7160372014. The cubic root of 23326157 is about 285.7246645158.

Adding to 23326157 its reverse (75162332), we get a palindrome (98488489).

The spelling of 23326157 in words is "twenty-three million, three hundred twenty-six thousand, one hundred fifty-seven".