201002202310123 has 16 divisors (see below), whose sum is σ = 220167164832480. Its totient is φ = 182653087192576.

The previous prime is 201002202310103. The next prime is 201002202310141. The reversal of 201002202310123 is 321013202200102.

It is a cyclic number.

It is not a de Polignac number, because 201002202310123 - 2²⁵ = 201002168755691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201002202310123.

It is not an unprimeable number, because it can be changed into a prime (201002202310103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42381036 + ... + 46884502.

It is an arithmetic number, because the mean of its divisors is an integer number (13760447802030).

Almost surely, 2^{201002202310123} is an apocalyptic number.

201002202310123 is a deficient number, since it is larger than the sum of its proper divisors (19164962522357).

201002202310123 is a wasteful number, since it uses less digits than its factorization.

201002202310123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4594046.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 201002202310123 its reverse (321013202200102), we get a palindrome (522015404510225).

The spelling of 201002202310123 in words is "two hundred one trillion, two billion, two hundred two million, three hundred ten thousand, one hundred twenty-three".