23357 has 2 divisors, whose sum is σ = 23358. Its totient is φ = 23356.

The previous prime is 23339. The next prime is 23369. The reversal of 23357 is 75332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22201 + 1156 = 149^2 + 34^2 .

It is a cyclic number.

It is not a de Polignac number, because 23357 - 2⁶ = 23293 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11678 + 11679.

It is an arithmetic number, because the mean of its divisors is an integer number (11679).

2²³³⁵⁷ is an apocalyptic number.

It is an amenable number.

23357 is a deficient number, since it is larger than the sum of its proper divisors (1).

23357 is an equidigital number, since it uses as much as digits as its factorization.

23357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 630, while the sum is 20.

The square root of 23357 is about 152.8299708827. The cubic root of 23357 is about 28.5850542152.

Adding to 23357 its reverse (75332), we get a palindrome (98689).

The spelling of 23357 in words is "twenty-three thousand, three hundred fifty-seven".