123404034334 has 32 divisors (see below), whose sum is σ = 213005649600. Its totient is φ = 52524633600.

The previous prime is 123404034329. The next prime is 123404034337. The reversal of 123404034334 is 433430404321.

It is a junction number, because it is equal to n+sod(n) for n = 123404034296 and 123404034305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123404034337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1237612 + ... + 1333600.

It is an arithmetic number, because the mean of its divisors is an integer number (6656426550).

Almost surely, 2^123404034334 is an apocalyptic number.

123404034334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

123404034334 is a deficient number, since it is larger than the sum of its proper divisors (89601615266).

123404034334 is a wasteful number, since it uses less digits than its factorization.

123404034334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96628.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 123404034334 its reverse (433430404321), we get a palindrome (556834438655).

The spelling of 123404034334 in words is "one hundred twenty-three billion, four hundred four million, thirty-four thousand, three hundred thirty-four".