34123123 has 4 divisors (see below), whose sum is σ = 34916728. Its totient is φ = 33329520.

The previous prime is 34123093. The next prime is 34123151. The reversal of 34123123 is 32132143.

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 34123123 - 2²⁵ = 568691 is a prime.

It is the 5842-nd Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34123123.

It is not an unprimeable number, because it can be changed into a prime (34123163) by changing a digit.

It is a nontrivial repunit in base 5841.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396738 + ... + 396823.

It is an arithmetic number, because the mean of its divisors is an integer number (8729182).

Almost surely, 2^34123123 is an apocalyptic number.

34123123 is a deficient number, since it is larger than the sum of its proper divisors (793605).

34123123 is an equidigital number, since it uses as much as digits as its factorization.

34123123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793604.

The product of its digits is 432, while the sum is 19.

The square root of 34123123 is about 5841.5000641958. The cubic root of 34123123 is about 324.3517587728.

Adding to 34123123 its reverse (32132143), we get a palindrome (66255266).

The spelling of 34123123 in words is "thirty-four million, one hundred twenty-three thousand, one hundred twenty-three".