34439923 has 4 divisors (see below), whose sum is σ = 39359920. Its totient is φ = 29519928.

The previous prime is 34439921. The next prime is 34439941. The reversal of 34439923 is 32993443.

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 34439923 - 2¹ = 34439921 is a prime.

It is a super-2 number, since 2×34439923² = 2372216592491858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34439921) 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, 2459988 + ... + 2460001.

It is an arithmetic number, because the mean of its divisors is an integer number (9839980).

Almost surely, 2^34439923 is an apocalyptic number.

34439923 is a deficient number, since it is larger than the sum of its proper divisors (4919997).

34439923 is an equidigital number, since it uses as much as digits as its factorization.

34439923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4919996.

The product of its digits is 69984, while the sum is 37.

The square root of 34439923 is about 5868.5537400624. The cubic root of 34439923 is about 325.3524318839.

It can be divided in two parts, 3443 and 9923, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 34439923 in words is "thirty-four million, four hundred thirty-nine thousand, nine hundred twenty-three".