23403004 has 6 divisors (see below), whose sum is σ = 40955264. Its totient is φ = 11701500.

The previous prime is 23403001. The next prime is 23403007. The reversal of 23403004 is 40030432.

It is an interprime number because it is at equal distance from previous prime (23403001) and next prime (23403007).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23403001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2925372 + ... + 2925379.

Almost surely, 2^23403004 is an apocalyptic number.

It is an amenable number.

23403004 is a deficient number, since it is larger than the sum of its proper divisors (17552260).

23403004 is a wasteful number, since it uses less digits than its factorization.

23403004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5850755 (or 5850753 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 23403004 is about 4837.6651393002. The cubic root of 23403004 is about 286.0380896993.

Adding to 23403004 its reverse (40030432), we get a palindrome (63433436).

The spelling of 23403004 in words is "twenty-three million, four hundred three thousand, four".