34429823 has 2 divisors, whose sum is σ = 34429824. Its totient is φ = 34429822.

The previous prime is 34429819. The next prime is 34429853. The reversal of 34429823 is 32892443.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34429823 - 2² = 34429819 is a prime.

It is a super-2 number, since 2×34429823² = 2370825423622658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34429853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17214911 + 17214912.

It is an arithmetic number, because the mean of its divisors is an integer number (17214912).

Almost surely, 2^34429823 is an apocalyptic number.

34429823 is a deficient number, since it is larger than the sum of its proper divisors (1).

34429823 is an equidigital number, since it uses as much as digits as its factorization.

34429823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

The square root of 34429823 is about 5867.6931583034. The cubic root of 34429823 is about 325.3206240229.

The spelling of 34429823 in words is "thirty-four million, four hundred twenty-nine thousand, eight hundred twenty-three".