200140123430 has 64 divisors (see below), whose sum is σ = 395465813568. Its totient is φ = 72475983360.

The previous prime is 200140123423. The next prime is 200140123439. The reversal of 200140123430 is 34321041002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200140123439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2715344 + ... + 2788076.

It is an arithmetic number, because the mean of its divisors is an integer number (6179153337).

Almost surely, 2^200140123430 is an apocalyptic number.

200140123430 is a deficient number, since it is larger than the sum of its proper divisors (195325690138).

200140123430 is a wasteful number, since it uses less digits than its factorization.

200140123430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73161.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 200140123430 its reverse (34321041002), we get a palindrome (234461164432).

The spelling of 200140123430 in words is "two hundred billion, one hundred forty million, one hundred twenty-three thousand, four hundred thirty".