201231302222323 has 4 divisors (see below), whose sum is σ = 201268450335960. Its totient is φ = 201194154108688.

The previous prime is 201231302222317. The next prime is 201231302222341. The reversal of 201231302222323 is 323222203132102.

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 201231302222323 - 2²¹ = 201231300125171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201231302222291 and 201231302222300.

It is not an unprimeable number, because it can be changed into a prime (201231302222393) 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, 18574048693 + ... + 18574059526.

It is an arithmetic number, because the mean of its divisors is an integer number (50317112583990).

Almost surely, 2^{201231302222323} is an apocalyptic number.

201231302222323 is a deficient number, since it is larger than the sum of its proper divisors (37148113637).

201231302222323 is an equidigital number, since it uses as much as digits as its factorization.

201231302222323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37148113636.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 201231302222323 its reverse (323222203132102), we get a palindrome (524453505354425).

The spelling of 201231302222323 in words is "two hundred one trillion, two hundred thirty-one billion, three hundred two million, two hundred twenty-two thousand, three hundred twenty-three".