23150431 has 2 divisors, whose sum is σ = 23150432. Its totient is φ = 23150430.

The previous prime is 23150429. The next prime is 23150437. The reversal of 23150431 is 13405132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23150431 - 2¹ = 23150429 is a prime.

It is a super-2 number, since 2×23150431² = 1071884910971522, which contains 22 as substring.

Together with 23150429, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23150399 and 23150408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23150437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11575215 + 11575216.

It is an arithmetic number, because the mean of its divisors is an integer number (11575216).

Almost surely, 2^23150431 is an apocalyptic number.

23150431 is a deficient number, since it is larger than the sum of its proper divisors (1).

23150431 is an equidigital number, since it uses as much as digits as its factorization.

23150431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 23150431 is about 4811.4894783217. The cubic root of 23150431 is about 285.0053594970.

Adding to 23150431 its reverse (13405132), we get a palindrome (36555563).

The spelling of 23150431 in words is "twenty-three million, one hundred fifty thousand, four hundred thirty-one".