344556023401 has 2 divisors, whose sum is σ = 344556023402. Its totient is φ = 344556023400.

The previous prime is 344556023389. The next prime is 344556023447. The reversal of 344556023401 is 104320655443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194710387600 + 149845635801 = 441260^2 + 387099^2 .

It is an emirp because it is prime and its reverse (104320655443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344556023401 - 2²⁹ = 344019152489 is a prime.

It is not a weakly prime, because it can be changed into another prime (344556023101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172278011700 + 172278011701.

It is an arithmetic number, because the mean of its divisors is an integer number (172278011701).

Almost surely, 2^344556023401 is an apocalyptic number.

It is an amenable number.

344556023401 is a deficient number, since it is larger than the sum of its proper divisors (1).

344556023401 is an equidigital number, since it uses as much as digits as its factorization.

344556023401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 344556023401 its reverse (104320655443), we get a palindrome (448876678844).

The spelling of 344556023401 in words is "three hundred forty-four billion, five hundred fifty-six million, twenty-three thousand, four hundred one".