2232123131456 has 14 divisors (see below), whose sum is σ = 4429369339110. Its totient is φ = 1116061565696.

The previous prime is 2232123131453. The next prime is 2232123131479. The reversal of 2232123131456 is 6541313212322.

It can be written as a sum of positive squares in only one way, i.e., 1297776640000 + 934346491456 = 1139200^2 + 966616^2 .

It is a super-3 number, since 3×2232123131456³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2232123131453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17438461901 + ... + 17438462028.

Almost surely, 2^{2232123131456} is an apocalyptic number.

It is an amenable number.

2232123131456 is a deficient number, since it is larger than the sum of its proper divisors (2197246207654).

2232123131456 is an equidigital number, since it uses as much as digits as its factorization.

2232123131456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34876923941 (or 34876923931 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

Adding to 2232123131456 its reverse (6541313212322), we get a palindrome (8773436343778).

The spelling of 2232123131456 in words is "two trillion, two hundred thirty-two billion, one hundred twenty-three million, one hundred thirty-one thousand, four hundred fifty-six".