31223003023 has 2 divisors, whose sum is σ = 31223003024. Its totient is φ = 31223003022.

The previous prime is 31223002991. The next prime is 31223003027. The reversal of 31223003023 is 32030032213.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31223003023 - 2⁵ = 31223002991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31223003027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15611501511 + 15611501512.

It is an arithmetic number, because the mean of its divisors is an integer number (15611501512).

Almost surely, 2^31223003023 is an apocalyptic number.

31223003023 is a deficient number, since it is larger than the sum of its proper divisors (1).

31223003023 is an equidigital number, since it uses as much as digits as its factorization.

31223003023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 31223003023 its reverse (32030032213), we get a palindrome (63253035236).

The spelling of 31223003023 in words is "thirty-one billion, two hundred twenty-three million, three thousand, twenty-three".