123134004202 has 16 divisors (see below), whose sum is σ = 203375113632. Its totient is φ = 55446916720.

The previous prime is 123134004173. The next prime is 123134004221. The reversal of 123134004202 is 202400431321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26151853 + ... + 26156560.

It is an arithmetic number, because the mean of its divisors is an integer number (12710944602).

Almost surely, 2^123134004202 is an apocalyptic number.

123134004202 is a deficient number, since it is larger than the sum of its proper divisors (80241109430).

123134004202 is a wasteful number, since it uses less digits than its factorization.

123134004202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52308533.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 123134004202 its reverse (202400431321), we get a palindrome (325534435523).

The spelling of 123134004202 in words is "one hundred twenty-three billion, one hundred thirty-four million, four thousand, two hundred two".