1123231131132 has 48 divisors (see below), whose sum is σ = 2860569046272. Its totient is φ = 340202206080.

The previous prime is 1123231131131. The next prime is 1123231131133. The reversal of 1123231131132 is 2311311323211.

It is an interprime number because it is at equal distance from previous prime (1123231131131) and next prime (1123231131133).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123231131131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1871728 + ... + 2397879.

It is an arithmetic number, because the mean of its divisors is an integer number (59595188464).

Almost surely, 2^{1123231131132} is an apocalyptic number.

1123231131132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123231131132 is an abundant number, since it is smaller than the sum of its proper divisors (1737337915140).

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

1123231131132 is a wasteful number, since it uses less digits than its factorization.

1123231131132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4271618 (or 4271616 counting only the distinct ones).

The product of its digits is 648, while the sum is 24.

Adding to 1123231131132 its reverse (2311311323211), we get a palindrome (3434542454343).

The spelling of 1123231131132 in words is "one trillion, one hundred twenty-three billion, two hundred thirty-one million, one hundred thirty-one thousand, one hundred thirty-two".