34440423 has 4 divisors (see below), whose sum is σ = 45920568. Its totient is φ = 22960280.

The previous prime is 34440421. The next prime is 34440437. The reversal of 34440423 is 32404443.

It is a happy number.

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 34440423 - 2¹ = 34440421 is a prime.

It is a super-2 number, since 2×34440423² = 2372285472837858, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34440393 and 34440402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34440421) 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, 5740068 + ... + 5740073.

It is an arithmetic number, because the mean of its divisors is an integer number (11480142).

Almost surely, 2^34440423 is an apocalyptic number.

34440423 is a deficient number, since it is larger than the sum of its proper divisors (11480145).

34440423 is a wasteful number, since it uses less digits than its factorization.

34440423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11480144.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 34440423 is about 5868.5963398414. The cubic root of 34440423 is about 325.3540063689.

Adding to 34440423 its reverse (32404443), we get a palindrome (66844866).

The spelling of 34440423 in words is "thirty-four million, four hundred forty thousand, four hundred twenty-three".