200040332123 has 4 divisors (see below), whose sum is σ = 206938274640. Its totient is φ = 193142389608.

The previous prime is 200040332017. The next prime is 200040332147. The reversal of 200040332123 is 321233040002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200040332123 - 2²⁶ = 199973223259 is a prime.

It is a super-2 number, since 2×200040332123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200040332095 and 200040332104.

It is not an unprimeable number, because it can be changed into a prime (200040532123) 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, 3448971215 + ... + 3448971272.

It is an arithmetic number, because the mean of its divisors is an integer number (51734568660).

Almost surely, 2^200040332123 is an apocalyptic number.

200040332123 is a deficient number, since it is larger than the sum of its proper divisors (6897942517).

200040332123 is an equidigital number, since it uses as much as digits as its factorization.

200040332123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6897942516.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 200040332123 its reverse (321233040002), we get a palindrome (521273372125).

The spelling of 200040332123 in words is "two hundred billion, forty million, three hundred thirty-two thousand, one hundred twenty-three".