223232131020 has 48 divisors (see below), whose sum is σ = 626302656000. Its totient is φ = 59409264576.

The previous prime is 223232131009. The next prime is 223232131049. The reversal of 223232131020 is 20131232322.

It is a happy number.

It is a super-3 number, since 3×223232131020³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3698052 + ... + 3757931.

It is an arithmetic number, because the mean of its divisors is an integer number (13047972000).

Almost surely, 2^223232131020 is an apocalyptic number.

223232131020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223232131020 is an abundant number, since it is smaller than the sum of its proper divisors (403070524980).

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

223232131020 is a wasteful number, since it uses less digits than its factorization.

223232131020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7456494 (or 7456492 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 223232131020 its reverse (20131232322), we get a palindrome (243363363342).

The spelling of 223232131020 in words is "two hundred twenty-three billion, two hundred thirty-two million, one hundred thirty-one thousand, twenty".