23996403 has 6 divisors (see below), whose sum is σ = 34661484. Its totient is φ = 15997596.

The previous prime is 23996393. The next prime is 23996443. The reversal of 23996403 is 30469932.

It is a happy number.

23996403 is a `hidden beast` number, since 2 + 3 + 9 + 9 + 640 + 3 = 666.

It is not a de Polignac number, because 23996403 - 2⁶ = 23996339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23996443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1333125 + ... + 1333142.

It is an arithmetic number, because the mean of its divisors is an integer number (5776914).

Almost surely, 2^23996403 is an apocalyptic number.

23996403 is a deficient number, since it is larger than the sum of its proper divisors (10665081).

23996403 is a wasteful number, since it uses less digits than its factorization.

23996403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666273 (or 2666270 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 23996403 is about 4898.6123545347. The cubic root of 23996403 is about 288.4355028645.

The spelling of 23996403 in words is "twenty-three million, nine hundred ninety-six thousand, four hundred three".