344423630 has 8 divisors (see below), whose sum is σ = 619962552. Its totient is φ = 137769448.

The previous prime is 344423581. The next prime is 344423641. The reversal of 344423630 is 36324443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 344423593 and 344423602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17221172 + ... + 17221191.

It is an arithmetic number, because the mean of its divisors is an integer number (77495319).

Almost surely, 2^344423630 is an apocalyptic number.

344423630 is a deficient number, since it is larger than the sum of its proper divisors (275538922).

344423630 is a wasteful number, since it uses less digits than its factorization.

344423630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34442370.

The product of its (nonzero) digits is 20736, while the sum is 29.

The square root of 344423630 is about 18558.6537766078. The cubic root of 344423630 is about 700.9671189967.

The spelling of 344423630 in words is "three hundred forty-four million, four hundred twenty-three thousand, six hundred thirty".