31232133123223 has 2 divisors, whose sum is σ = 31232133123224. Its totient is φ = 31232133123222.

The previous prime is 31232133123197. The next prime is 31232133123227. The reversal of 31232133123223 is 32232133123213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31232133123223 - 2⁹ = 31232133122711 is a prime.

It is a super-2 number, since 2×31232133123223² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31232133123227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15616066561611 + 15616066561612.

It is an arithmetic number, because the mean of its divisors is an integer number (15616066561612).

Almost surely, 2^{31232133123223} is an apocalyptic number.

31232133123223 is a deficient number, since it is larger than the sum of its proper divisors (1).

31232133123223 is an equidigital number, since it uses as much as digits as its factorization.

31232133123223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 31.

Adding to 31232133123223 its reverse (32232133123213), we get a palindrome (63464266246436).

The spelling of 31232133123223 in words is "thirty-one trillion, two hundred thirty-two billion, one hundred thirty-three million, one hundred twenty-three thousand, two hundred twenty-three".