123004434 has 16 divisors (see below), whose sum is σ = 281153088. Its totient is φ = 35144112.

The previous prime is 123004433. The next prime is 123004459. The reversal of 123004434 is 434400321.

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

It is a self number, because there is not a number n which added to its sum of digits gives 123004434.

It is not an unprimeable number, because it can be changed into a prime (123004433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1464297 + ... + 1464380.

It is an arithmetic number, because the mean of its divisors is an integer number (17572068).

Almost surely, 2^123004434 is an apocalyptic number.

123004434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

123004434 is an abundant number, since it is smaller than the sum of its proper divisors (158148654).

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

123004434 is a wasteful number, since it uses less digits than its factorization.

123004434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928689.

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

The square root of 123004434 is about 11090.7364047659. The cubic root of 123004434 is about 497.3249591693.

Adding to 123004434 its reverse (434400321), we get a palindrome (557404755).

The spelling of 123004434 in words is "one hundred twenty-three million, four thousand, four hundred thirty-four".