331402423123 has 2 divisors, whose sum is σ = 331402423124. Its totient is φ = 331402423122.

The previous prime is 331402423103. The next prime is 331402423147. The reversal of 331402423123 is 321324204133.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-331402423123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 331402423091 and 331402423100.

It is not a weakly prime, because it can be changed into another prime (331402423103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165701211561 + 165701211562.

It is an arithmetic number, because the mean of its divisors is an integer number (165701211562).

Almost surely, 2^331402423123 is an apocalyptic number.

331402423123 is a deficient number, since it is larger than the sum of its proper divisors (1).

331402423123 is an equidigital number, since it uses as much as digits as its factorization.

331402423123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 331402423123 its reverse (321324204133), we get a palindrome (652726627256).

The spelling of 331402423123 in words is "three hundred thirty-one billion, four hundred two million, four hundred twenty-three thousand, one hundred twenty-three".