23311321132 has 24 divisors (see below), whose sum is σ = 45450316800. Its totient is φ = 10370606160.

The previous prime is 23311321129. The next prime is 23311321147. The reversal of 23311321132 is 23112311332.

It is a super-2 number, since 2×23311321132² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5634132 + ... + 5638267.

It is an arithmetic number, because the mean of its divisors is an integer number (1893763200).

Almost surely, 2^23311321132 is an apocalyptic number.

23311321132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23311321132 is a deficient number, since it is larger than the sum of its proper divisors (22138995668).

23311321132 is a wasteful number, since it uses less digits than its factorization.

23311321132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11272461 (or 11272459 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

Adding to 23311321132 its reverse (23112311332), we get a palindrome (46423632464).

It can be divided in two parts, 23311 and 321132, that added together give a palindrome (344443).

The spelling of 23311321132 in words is "twenty-three billion, three hundred eleven million, three hundred twenty-one thousand, one hundred thirty-two".