223631131372 has 24 divisors (see below), whose sum is σ = 426958236432. Its totient is φ = 101644305600.

The previous prime is 223631131369. The next prime is 223631131379. The reversal of 223631131372 is 273131136322.

It is not an unprimeable number, because it can be changed into a prime (223631131379) 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, 616458 + ... + 909550.

It is an arithmetic number, because the mean of its divisors is an integer number (17789926518).

Almost surely, 2^223631131372 is an apocalyptic number.

223631131372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

223631131372 is a deficient number, since it is larger than the sum of its proper divisors (203327105060).

223631131372 is a wasteful number, since it uses less digits than its factorization.

223631131372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310449 (or 310447 counting only the distinct ones).

The product of its digits is 27216, while the sum is 34.

Adding to 223631131372 its reverse (273131136322), we get a palindrome (496762267694).

The spelling of 223631131372 in words is "two hundred twenty-three billion, six hundred thirty-one million, one hundred thirty-one thousand, three hundred seventy-two".