23900063 has 4 divisors (see below), whose sum is σ = 26072808. Its totient is φ = 21727320.

The previous prime is 23900057. The next prime is 23900069. The reversal of 23900063 is 36000932.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (23900057) and next prime (23900069).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23900063 is a prime.

It is a super-2 number, since 2×23900063² = 1142426022807938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23900069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1086356 + ... + 1086377.

It is an arithmetic number, because the mean of its divisors is an integer number (6518202).

Almost surely, 2^23900063 is an apocalyptic number.

23900063 is a deficient number, since it is larger than the sum of its proper divisors (2172745).

23900063 is a wasteful number, since it uses less digits than its factorization.

23900063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172744.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 23900063 is about 4888.7690679761. The cubic root of 23900063 is about 288.0489845628.

Adding to 23900063 its reverse (36000932), we get a palindrome (59900995).

The spelling of 23900063 in words is "twenty-three million, nine hundred thousand, sixty-three".