23431424232 has 128 divisors (see below), whose sum is σ = 62797109760. Its totient is φ = 7273543680.

The previous prime is 23431424231. The next prime is 23431424239. The reversal of 23431424232 is 23242413432.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 23431424232.

It is not an unprimeable number, because it can be changed into a prime (23431424231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1923553 + ... + 1935695.

It is an arithmetic number, because the mean of its divisors is an integer number (490602420).

Almost surely, 2^23431424232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23431424232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31398554880).

23431424232 is an abundant number, since it is smaller than the sum of its proper divisors (39365685528).

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

23431424232 is a wasteful number, since it uses less digits than its factorization.

23431424232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12283 (or 12279 counting only the distinct ones).

The product of its digits is 27648, while the sum is 30.

Adding to 23431424232 its reverse (23242413432), we get a palindrome (46673837664).

The spelling of 23431424232 in words is "twenty-three billion, four hundred thirty-one million, four hundred twenty-four thousand, two hundred thirty-two".