3447138323 has 4 divisors (see below), whose sum is σ = 3473452488. Its totient is φ = 3420824160.

The previous prime is 3447138313. The next prime is 3447138367. The reversal of 3447138323 is 3238317443.

3447138323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3447138323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3447138313) 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, 13156886 + ... + 13157147.

It is an arithmetic number, because the mean of its divisors is an integer number (868363122).

Almost surely, 2^3447138323 is an apocalyptic number.

3447138323 is a deficient number, since it is larger than the sum of its proper divisors (26314165).

3447138323 is a wasteful number, since it uses less digits than its factorization.

3447138323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26314164.

The product of its digits is 145152, while the sum is 38.

The square root of 3447138323 is about 58712.3353563798. The cubic root of 3447138323 is about 1510.6119068758.

The spelling of 3447138323 in words is "three billion, four hundred forty-seven million, one hundred thirty-eight thousand, three hundred twenty-three".