200123042 has 32 divisors (see below), whose sum is σ = 355261440. Its totient is φ = 82736640.

The previous prime is 200122999. The next prime is 200123057. The reversal of 200123042 is 240321002.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197834 + ... + 198842.

It is an arithmetic number, because the mean of its divisors is an integer number (11101920).

Almost surely, 2^200123042 is an apocalyptic number.

200123042 is a deficient number, since it is larger than the sum of its proper divisors (155138398).

200123042 is a wasteful number, since it uses less digits than its factorization.

200123042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 200123042 is about 14146.4851464949. The cubic root of 200123042 is about 584.9234487213.

Adding to 200123042 its reverse (240321002), we get a palindrome (440444044).

The spelling of 200123042 in words is "two hundred million, one hundred twenty-three thousand, forty-two".