123313434 has 32 divisors (see below), whose sum is σ = 250278336. Its totient is φ = 40500480.

The previous prime is 123313417. The next prime is 123313441. The reversal of 123313434 is 434313321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154324 + ... + 155120.

It is an arithmetic number, because the mean of its divisors is an integer number (7821198).

Almost surely, 2^123313434 is an apocalyptic number.

123313434 is an abundant number, since it is smaller than the sum of its proper divisors (126964902).

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

123313434 is a wasteful number, since it uses less digits than its factorization.

123313434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150.

The product of its digits is 2592, while the sum is 24.

The square root of 123313434 is about 11104.6582117596. The cubic root of 123313434 is about 497.7410550380.

Adding to 123313434 its reverse (434313321), we get a palindrome (557626755).

The spelling of 123313434 in words is "one hundred twenty-three million, three hundred thirteen thousand, four hundred thirty-four".