201326562123 has 4 divisors (see below), whose sum is σ = 268435416168. Its totient is φ = 134217708080.

The previous prime is 201326562091. The next prime is 201326562191. The reversal of 201326562123 is 321265623102.

It is a happy number.

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 201326562123 - 2⁵ = 201326562091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201326562323) 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, 33554427018 + ... + 33554427023.

It is an arithmetic number, because the mean of its divisors is an integer number (67108854042).

Almost surely, 2^201326562123 is an apocalyptic number.

201326562123 is a deficient number, since it is larger than the sum of its proper divisors (67108854045).

201326562123 is an equidigital number, since it uses as much as digits as its factorization.

201326562123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67108854044.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 201326562123 in words is "two hundred one billion, three hundred twenty-six million, five hundred sixty-two thousand, one hundred twenty-three".