3440320623 has 12 divisors (see below), whose sum is σ = 5043522328. Its totient is φ = 2259314640.

The previous prime is 3440320601. The next prime is 3440320669. The reversal of 3440320623 is 3260230443.

It is a happy number.

3440320623 is a `hidden beast` number, since 3 + 4 + 4 + 0 + 32 + 0 + 623 = 666.

3440320623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3440320623 - 2¹⁷ = 3440189551 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 (3440320223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2852068 + ... + 2853273.

Almost surely, 2^3440320623 is an apocalyptic number.

3440320623 is a deficient number, since it is larger than the sum of its proper divisors (1603201705).

3440320623 is a wasteful number, since it uses less digits than its factorization.

3440320623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5705414 (or 5705411 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 3440320623 is about 58654.2464191639. The cubic root of 3440320623 is about 1509.6153608549.

The spelling of 3440320623 in words is "three billion, four hundred forty million, three hundred twenty thousand, six hundred twenty-three".