34129423 has 2 divisors, whose sum is σ = 34129424. Its totient is φ = 34129422.

The previous prime is 34129409. The next prime is 34129427. The reversal of 34129423 is 32492143.

It is a strong prime.

It is an emirp because it is prime and its reverse (32492143) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34129423 - 2⁵ = 34129391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34129391 and 34129400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34129427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17064711 + 17064712.

It is an arithmetic number, because the mean of its divisors is an integer number (17064712).

Almost surely, 2^34129423 is an apocalyptic number.

34129423 is a deficient number, since it is larger than the sum of its proper divisors (1).

34129423 is an equidigital number, since it uses as much as digits as its factorization.

34129423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

The square root of 34129423 is about 5842.0392843595. The cubic root of 34129423 is about 324.3717187506.

The spelling of 34129423 in words is "thirty-four million, one hundred twenty-nine thousand, four hundred twenty-three".