23231163432 has 128 divisors (see below), whose sum is σ = 61321017600. Its totient is φ = 7319820288.

The previous prime is 23231163427. The next prime is 23231163443. The reversal of 23231163432 is 23436113232.

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 23231163432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20947294 + ... + 20948402.

It is an arithmetic number, because the mean of its divisors is an integer number (479070450).

Almost surely, 2^23231163432 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 23231163432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30660508800).

23231163432 is an abundant number, since it is smaller than the sum of its proper divisors (38089854168).

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

23231163432 is a wasteful number, since it uses less digits than its factorization.

23231163432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555 (or 1551 counting only the distinct ones).

The product of its digits is 15552, while the sum is 30.

Adding to 23231163432 its reverse (23436113232), we get a palindrome (46667276664).

The spelling of 23231163432 in words is "twenty-three billion, two hundred thirty-one million, one hundred sixty-three thousand, four hundred thirty-two".