34123403 has 4 divisors (see below), whose sum is σ = 36130680. Its totient is φ = 32116128.

The previous prime is 34123393. The next prime is 34123423. The reversal of 34123403 is 30432143.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 34123403 - 2¹⁶ = 34057867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34123423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1003613 + ... + 1003646.

It is an arithmetic number, because the mean of its divisors is an integer number (9032670).

Almost surely, 2^34123403 is an apocalyptic number.

34123403 is a deficient number, since it is larger than the sum of its proper divisors (2007277).

34123403 is a wasteful number, since it uses less digits than its factorization.

34123403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007276.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 34123403 is about 5841.5240305934. The cubic root of 34123403 is about 324.3526459351.

Adding to 34123403 its reverse (30432143), we get a palindrome (64555546).

The spelling of 34123403 in words is "thirty-four million, one hundred twenty-three thousand, four hundred three".