23938237 has 2 divisors, whose sum is σ = 23938238. Its totient is φ = 23938236.

The previous prime is 23938217. The next prime is 23938267. The reversal of 23938237 is 73283932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22524516 + 1413721 = 4746^2 + 1189^2 .

It is a cyclic number.

It is not a de Polignac number, because 23938237 - 2²³ = 15549629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23938196 and 23938205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23938217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11969118 + 11969119.

It is an arithmetic number, because the mean of its divisors is an integer number (11969119).

Almost surely, 2^23938237 is an apocalyptic number.

It is an amenable number.

23938237 is a deficient number, since it is larger than the sum of its proper divisors (1).

23938237 is an equidigital number, since it uses as much as digits as its factorization.

23938237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 37.

The square root of 23938237 is about 4892.6717649971. The cubic root of 23938237 is about 288.2022635554.

The spelling of 23938237 in words is "twenty-three million, nine hundred thirty-eight thousand, two hundred thirty-seven".