23023513 has 2 divisors, whose sum is σ = 23023514. Its totient is φ = 23023512.

The previous prime is 23023501. The next prime is 23023519. The reversal of 23023513 is 31532032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21874329 + 1149184 = 4677^2 + 1072^2 .

It is a cyclic number.

It is not a de Polignac number, because 23023513 - 2⁹ = 23023001 is a prime.

It is a super-2 number, since 2×23023513² = 1060164301722338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23023519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11511756 + 11511757.

It is an arithmetic number, because the mean of its divisors is an integer number (11511757).

Almost surely, 2^23023513 is an apocalyptic number.

It is an amenable number.

23023513 is a deficient number, since it is larger than the sum of its proper divisors (1).

23023513 is an equidigital number, since it uses as much as digits as its factorization.

23023513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 23023513 is about 4798.2822968225. The cubic root of 23023513 is about 284.4835748994.

Adding to 23023513 its reverse (31532032), we get a palindrome (54555545).

The spelling of 23023513 in words is "twenty-three million, twenty-three thousand, five hundred thirteen".