23231322330 has 32 divisors (see below), whose sum is σ = 57051808704. Its totient is φ = 6050948736.

The previous prime is 23231322311. The next prime is 23231322337. The reversal of 23231322330 is 3322313232.

It is a self number, because there is not a number n which added to its sum of digits gives 23231322330.

It is not an unprimeable number, because it can be changed into a prime (23231322337) 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, 9003099 + ... + 9005678.

It is an arithmetic number, because the mean of its divisors is an integer number (1782869022).

Almost surely, 2^23231322330 is an apocalyptic number.

23231322330 is an abundant number, since it is smaller than the sum of its proper divisors (33820486374).

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

23231322330 is a wasteful number, since it uses less digits than its factorization.

23231322330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18008830.

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

Adding to 23231322330 its reverse (3322313232), we get a palindrome (26553635562).

The spelling of 23231322330 in words is "twenty-three billion, two hundred thirty-one million, three hundred twenty-two thousand, three hundred thirty".