31233123323 has 2 divisors, whose sum is σ = 31233123324. Its totient is φ = 31233123322.

The previous prime is 31233123319. The next prime is 31233123409. The reversal of 31233123323 is 32332133213.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31233123323 - 2² = 31233123319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31233123292 and 31233123301.

It is not a weakly prime, because it can be changed into another prime (31233123223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15616561661 + 15616561662.

It is an arithmetic number, because the mean of its divisors is an integer number (15616561662).

Almost surely, 2^31233123323 is an apocalyptic number.

31233123323 is a deficient number, since it is larger than the sum of its proper divisors (1).

31233123323 is an equidigital number, since it uses as much as digits as its factorization.

31233123323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 26.

Adding to 31233123323 its reverse (32332133213), we get a palindrome (63565256536).

The spelling of 31233123323 in words is "thirty-one billion, two hundred thirty-three million, one hundred twenty-three thousand, three hundred twenty-three".