23890063 has 2 divisors, whose sum is σ = 23890064. Its totient is φ = 23890062.

The previous prime is 23890039. The next prime is 23890079. The reversal of 23890063 is 36009832.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23890063 - 2¹⁷ = 23758991 is a prime.

It is a super-2 number, since 2×23890063² = 1141470220287938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23890663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11945031 + 11945032.

It is an arithmetic number, because the mean of its divisors is an integer number (11945032).

Almost surely, 2^23890063 is an apocalyptic number.

23890063 is a deficient number, since it is larger than the sum of its proper divisors (1).

23890063 is an equidigital number, since it uses as much as digits as its factorization.

23890063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 23890063 is about 4887.7462086324. The cubic root of 23890063 is about 288.0088048684.

Adding to 23890063 its reverse (36009832), we get a palindrome (59899895).

The spelling of 23890063 in words is "twenty-three million, eight hundred ninety thousand, sixty-three".