233143434132 has 72 divisors (see below), whose sum is σ = 636131381760. Its totient is φ = 66263621760.

The previous prime is 233143434091. The next prime is 233143434149. The reversal of 233143434132 is 231434341332.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 233143434093 and 233143434102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 925657 + ... + 1150272.

It is an arithmetic number, because the mean of its divisors is an integer number (8835158080).

Almost surely, 2^233143434132 is an apocalyptic number.

It is an amenable number.

233143434132 is an abundant number, since it is smaller than the sum of its proper divisors (402987947628).

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

233143434132 is a wasteful number, since it uses less digits than its factorization.

233143434132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076141 (or 2076132 counting only the distinct ones).

The product of its digits is 62208, while the sum is 33.

Adding to 233143434132 its reverse (231434341332), we get a palindrome (464577775464).

The spelling of 233143434132 in words is "two hundred thirty-three billion, one hundred forty-three million, four hundred thirty-four thousand, one hundred thirty-two".