344478078023 has 4 divisors (see below), whose sum is σ = 351807398880. Its totient is φ = 337148757168.

The previous prime is 344478077959. The next prime is 344478078031. The reversal of 344478078023 is 320870874443.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 344478078023 - 2⁶ = 344478077959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344478078053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3664660358 + ... + 3664660451.

It is an arithmetic number, because the mean of its divisors is an integer number (87951849720).

Almost surely, 2^344478078023 is an apocalyptic number.

344478078023 is a deficient number, since it is larger than the sum of its proper divisors (7329320857).

344478078023 is an equidigital number, since it uses as much as digits as its factorization.

344478078023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7329320856.

The product of its (nonzero) digits is 3612672, while the sum is 50.

The spelling of 344478078023 in words is "three hundred forty-four billion, four hundred seventy-eight million, seventy-eight thousand, twenty-three".