123402034 has 16 divisors (see below), whose sum is σ = 213602688. Its totient is φ = 52372512.

The previous prime is 123402023. The next prime is 123402043. The reversal of 123402034 is 430204321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41347 + ... + 44230.

It is an arithmetic number, because the mean of its divisors is an integer number (13350168).

Almost surely, 2^123402034 is an apocalyptic number.

123402034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

123402034 is a deficient number, since it is larger than the sum of its proper divisors (90200654).

123402034 is a wasteful number, since it uses less digits than its factorization.

123402034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85689.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 123402034 is about 11108.6468122810. The cubic root of 123402034 is about 497.8602345370.

Adding to 123402034 its reverse (430204321), we get a palindrome (553606355).

The spelling of 123402034 in words is "one hundred twenty-three million, four hundred two thousand, thirty-four".