1131232323020 has 24 divisors (see below), whose sum is σ = 2409046865568. Its totient is φ = 446119788800.

The previous prime is 1131232322951. The next prime is 1131232323047. The reversal of 1131232323020 is 203232321311.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398319821 + ... + 398322660.

It is an arithmetic number, because the mean of its divisors is an integer number (100376952732).

Almost surely, 2^{1131232323020} is an apocalyptic number.

1131232323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131232323020 is an abundant number, since it is smaller than the sum of its proper divisors (1277814542548).

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

1131232323020 is a wasteful number, since it uses less digits than its factorization.

1131232323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796642561 (or 796642559 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1131232323020 its reverse (203232321311), we get a palindrome (1334464644331).

The spelling of 1131232323020 in words is "one trillion, one hundred thirty-one billion, two hundred thirty-two million, three hundred twenty-three thousand, twenty".