200030000123123 has 4 divisors (see below), whose sum is σ = 206482580772288. Its totient is φ = 193577419473960.

The previous prime is 200030000123101. The next prime is 200030000123167. The reversal of 200030000123123 is 321321000030002.

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 200030000123123 - 2⁶ = 200030000123059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200030000123423) 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, 3226290324536 + ... + 3226290324597.

It is an arithmetic number, because the mean of its divisors is an integer number (51620645193072).

Almost surely, 2^{200030000123123} is an apocalyptic number.

200030000123123 is a deficient number, since it is larger than the sum of its proper divisors (6452580649165).

200030000123123 is an equidigital number, since it uses as much as digits as its factorization.

200030000123123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6452580649164.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 200030000123123 its reverse (321321000030002), we get a palindrome (521351000153125).

The spelling of 200030000123123 in words is "two hundred trillion, thirty billion, one hundred twenty-three thousand, one hundred twenty-three".