23431004233 has 16 divisors (see below), whose sum is σ = 28883080576. Its totient is φ = 18509938560.

The previous prime is 23431004209. The next prime is 23431004243. The reversal of 23431004233 is 33240013432.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23431004233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23431004198 and 23431004207.

It is not an unprimeable number, because it can be changed into a prime (23431004243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141708 + ... + 258733.

It is an arithmetic number, because the mean of its divisors is an integer number (1805192536).

Almost surely, 2^23431004233 is an apocalyptic number.

It is an amenable number.

23431004233 is a deficient number, since it is larger than the sum of its proper divisors (5452076343).

23431004233 is a wasteful number, since it uses less digits than its factorization.

23431004233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401104.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 23431004233 its reverse (33240013432), we get a palindrome (56671017665).

The spelling of 23431004233 in words is "twenty-three billion, four hundred thirty-one million, four thousand, two hundred thirty-three".