200123010011 has 4 divisors (see below), whose sum is σ = 200134411800. Its totient is φ = 200111608224.

The previous prime is 200123009993. The next prime is 200123010029. The reversal of 200123010011 is 110010321002.

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

It is an interprime number because it is at equal distance from previous prime (200123009993) and next prime (200123010029).

It is a cyclic number.

It is not a de Polignac number, because 200123010011 - 2²² = 200118815707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200123009974 and 200123010001.

It is not an unprimeable number, because it can be changed into a prime (200123010911) 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, 5674526 + ... + 5709683.

It is an arithmetic number, because the mean of its divisors is an integer number (50033602950).

Almost surely, 2^200123010011 is an apocalyptic number.

200123010011 is a deficient number, since it is larger than the sum of its proper divisors (11401789).

200123010011 is a wasteful number, since it uses less digits than its factorization.

200123010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11401788.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 200123010011 its reverse (110010321002), we get a palindrome (310133331013).

The spelling of 200123010011 in words is "two hundred billion, one hundred twenty-three million, ten thousand, eleven".