34728923 has 2 divisors, whose sum is σ = 34728924. Its totient is φ = 34728922.

The previous prime is 34728913. The next prime is 34728929. The reversal of 34728923 is 32982743.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34728923 - 2²⁰ = 33680347 is a prime.

It is not a weakly prime, because it can be changed into another prime (34728929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17364461 + 17364462.

It is an arithmetic number, because the mean of its divisors is an integer number (17364462).

Almost surely, 2^34728923 is an apocalyptic number.

34728923 is a deficient number, since it is larger than the sum of its proper divisors (1).

34728923 is an equidigital number, since it uses as much as digits as its factorization.

34728923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 38.

The square root of 34728923 is about 5893.1250623078. The cubic root of 34728923 is about 326.2599548740.

The spelling of 34728923 in words is "thirty-four million, seven hundred twenty-eight thousand, nine hundred twenty-three".