232511132132144 has 40 divisors (see below), whose sum is σ = 466616621224560. Its totient is φ = 112104127150848.

The previous prime is 232511132132143. The next prime is 232511132132161. The reversal of 232511132132144 is 441231231115232.

It is a super-2 number, since 2×232511132132144² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (232511132132141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317996699 + ... + 318727034.

It is an arithmetic number, because the mean of its divisors is an integer number (11665415530614).

Almost surely, 2^{232511132132144} is an apocalyptic number.

It is an amenable number.

232511132132144 is an abundant number, since it is smaller than the sum of its proper divisors (234105489092416).

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

232511132132144 is a wasteful number, since it uses less digits than its factorization.

232511132132144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636724557 (or 636724551 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

Adding to 232511132132144 its reverse (441231231115232), we get a palindrome (673742363247376).

The spelling of 232511132132144 in words is "two hundred thirty-two trillion, five hundred eleven billion, one hundred thirty-two million, one hundred thirty-two thousand, one hundred forty-four".