34123404 has 72 divisors (see below), whose sum is σ = 93538368. Its totient is φ = 9653280.

The previous prime is 34123393. The next prime is 34123423. The reversal of 34123404 is 40432143.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76807 + ... + 77249.

It is an arithmetic number, because the mean of its divisors is an integer number (1299144).

Almost surely, 2^34123404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34123404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46769184).

34123404 is an abundant number, since it is smaller than the sum of its proper divisors (59414964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34123404 is a wasteful number, since it uses less digits than its factorization.

34123404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 34123404 is about 5841.5241161875. The cubic root of 34123404 is about 324.3526491035.

Adding to 34123404 its reverse (40432143), we get a palindrome (74555547).

The spelling of 34123404 in words is "thirty-four million, one hundred twenty-three thousand, four hundred four".