123040104202 has 16 divisors (see below), whose sum is σ = 196614502560. Its totient is φ = 57579958512.

The previous prime is 123040104193. The next prime is 123040104217. The reversal of 123040104202 is 202401040321.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 123040104202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19502253 + ... + 19508560.

It is an arithmetic number, because the mean of its divisors is an integer number (12288406410).

Almost surely, 2^123040104202 is an apocalyptic number.

123040104202 is a deficient number, since it is larger than the sum of its proper divisors (73574398358).

123040104202 is a wasteful number, since it uses less digits than its factorization.

123040104202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39010917.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 123040104202 its reverse (202401040321), we get a palindrome (325441144523).

The spelling of 123040104202 in words is "one hundred twenty-three billion, forty million, one hundred four thousand, two hundred two".