31423310123 has 2 divisors, whose sum is σ = 31423310124. Its totient is φ = 31423310122.

The previous prime is 31423310057. The next prime is 31423310129. The reversal of 31423310123 is 32101332413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31423310123 - 2²⁴ = 31406532907 is a prime.

It is not a weakly prime, because it can be changed into another prime (31423310129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15711655061 + 15711655062.

It is an arithmetic number, because the mean of its divisors is an integer number (15711655062).

Almost surely, 2^31423310123 is an apocalyptic number.

31423310123 is a deficient number, since it is larger than the sum of its proper divisors (1).

31423310123 is an equidigital number, since it uses as much as digits as its factorization.

31423310123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31423310123 its reverse (32101332413), we get a palindrome (63524642536).

The spelling of 31423310123 in words is "thirty-one billion, four hundred twenty-three million, three hundred ten thousand, one hundred twenty-three".