23432432144 has 30 divisors (see below), whose sum is σ = 49902854190. Its totient is φ = 10651104640.

The previous prime is 23432432141. The next prime is 23432432159. The reversal of 23432432144 is 44123423432.

It can be written as a sum of positive squares in only one way, i.e., 20160592144 + 3271840000 = 141988^2 + 57200^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23432432144.

It is not an unprimeable number, because it can be changed into a prime (23432432141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6049829 + ... + 6053700.

It is an arithmetic number, because the mean of its divisors is an integer number (1663428473).

Almost surely, 2^23432432144 is an apocalyptic number.

It is an amenable number.

23432432144 is an abundant number, since it is smaller than the sum of its proper divisors (26470422046).

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

23432432144 is a wasteful number, since it uses less digits than its factorization.

23432432144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12103559 (or 12103542 counting only the distinct ones).

The product of its digits is 55296, while the sum is 32.

Adding to 23432432144 its reverse (44123423432), we get a palindrome (67555855576).

The spelling of 23432432144 in words is "twenty-three billion, four hundred thirty-two million, four hundred thirty-two thousand, one hundred forty-four".