31223032323 has 16 divisors (see below), whose sum is σ = 49218574080. Its totient is φ = 17226500256.

The previous prime is 31223032279. The next prime is 31223032331. The reversal of 31223032323 is 32323032213.

It is not a de Polignac number, because 31223032323 - 2⁸ = 31223032067 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31223032293 and 31223032302.

It is not an unprimeable number, because it can be changed into a prime (31223032723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25634065 + ... + 25635282.

It is an arithmetic number, because the mean of its divisors is an integer number (3076160880).

Almost surely, 2^31223032323 is an apocalyptic number.

31223032323 is a deficient number, since it is larger than the sum of its proper divisors (17995541757).

31223032323 is a wasteful number, since it uses less digits than its factorization.

31223032323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51269386.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 31223032323 its reverse (32323032213), we get a palindrome (63546064536).

The spelling of 31223032323 in words is "thirty-one billion, two hundred twenty-three million, thirty-two thousand, three hundred twenty-three".