200123003401 has 4 divisors (see below), whose sum is σ = 201993311952. Its totient is φ = 198252694852.

The previous prime is 200123003389. The next prime is 200123003429. The reversal of 200123003401 is 104300321002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200123003401 - 2¹⁹ = 200122479113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200123003471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935154115 + ... + 935154328.

It is an arithmetic number, because the mean of its divisors is an integer number (50498327988).

Almost surely, 2^200123003401 is an apocalyptic number.

It is an amenable number.

200123003401 is a deficient number, since it is larger than the sum of its proper divisors (1870308551).

200123003401 is a wasteful number, since it uses less digits than its factorization.

200123003401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870308550.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 200123003401 its reverse (104300321002), we get a palindrome (304423324403).

The spelling of 200123003401 in words is "two hundred billion, one hundred twenty-three million, three thousand, four hundred one".