23431302330 has 16 divisors (see below), whose sum is σ = 56235125664. Its totient is φ = 6248347280.

The previous prime is 23431302313. The next prime is 23431302359. The reversal of 23431302330 is 3320313432.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23431302330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390521676 + ... + 390521735.

It is an arithmetic number, because the mean of its divisors is an integer number (3514695354).

Almost surely, 2^23431302330 is an apocalyptic number.

23431302330 is an abundant number, since it is smaller than the sum of its proper divisors (32803823334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23431302330 is a wasteful number, since it uses less digits than its factorization.

23431302330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781043421.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 23431302330 its reverse (3320313432), we get a palindrome (26751615762).

The spelling of 23431302330 in words is "twenty-three billion, four hundred thirty-one million, three hundred two thousand, three hundred thirty".