223631131374 has 96 divisors (see below), whose sum is σ = 583131744000. Its totient is φ = 60507482112.

The previous prime is 223631131369. The next prime is 223631131379. The reversal of 223631131374 is 473131136322.

223631131374 is a `hidden beast` number, since 2 + 2 + 3 + 631 + 1 + 3 + 13 + 7 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (223631131369) and next prime (223631131379).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223631131379) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 6420097 + ... + 6454835.

It is an arithmetic number, because the mean of its divisors is an integer number (6074289000).

Almost surely, 2^223631131374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223631131374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291565872000).

223631131374 is an abundant number, since it is smaller than the sum of its proper divisors (359500612626).

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

223631131374 is a wasteful number, since it uses less digits than its factorization.

223631131374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37462 (or 37459 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

Adding to 223631131374 its reverse (473131136322), we get a palindrome (696762267696).

The spelling of 223631131374 in words is "two hundred twenty-three billion, six hundred thirty-one million, one hundred thirty-one thousand, three hundred seventy-four".