344423123019931 has 2 divisors, whose sum is σ = 344423123019932. Its totient is φ = 344423123019930.

The previous prime is 344423123019923. The next prime is 344423123020043. The reversal of 344423123019931 is 139910321324443.

It is a weak prime.

It is an emirp because it is prime and its reverse (139910321324443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344423123019931 - 2³ = 344423123019923 is a prime.

It is a super-2 number, since 2×344423123019931² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (344423123011931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172211561509965 + 172211561509966.

It is an arithmetic number, because the mean of its divisors is an integer number (172211561509966).

Almost surely, 2^{344423123019931} is an apocalyptic number.

344423123019931 is a deficient number, since it is larger than the sum of its proper divisors (1).

344423123019931 is an equidigital number, since it uses as much as digits as its factorization.

344423123019931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 49.

The spelling of 344423123019931 in words is "three hundred forty-four trillion, four hundred twenty-three billion, one hundred twenty-three million, nineteen thousand, nine hundred thirty-one".