204100123202342 has 16 divisors (see below), whose sum is σ = 307131655976880. Its totient is φ = 101722911668352.

The previous prime is 204100123202309. The next prime is 204100123202401. The reversal of 204100123202342 is 243202321001402.

It is a super-2 number, since 2×204100123202342² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 57115553 + ... + 60583715.

It is an arithmetic number, because the mean of its divisors is an integer number (19195728498555).

Almost surely, 2^{204100123202342} is an apocalyptic number.

204100123202342 is a deficient number, since it is larger than the sum of its proper divisors (103031532774538).

204100123202342 is a wasteful number, since it uses less digits than its factorization.

204100123202342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562487.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 204100123202342 its reverse (243202321001402), we get a palindrome (447302444203744).

The spelling of 204100123202342 in words is "two hundred four trillion, one hundred billion, one hundred twenty-three million, two hundred two thousand, three hundred forty-two".