231103201220323 has 4 divisors (see below), whose sum is σ = 243266527600360. Its totient is φ = 218939874840288.

The previous prime is 231103201220303. The next prime is 231103201220347. The reversal of 231103201220323 is 323022102301132.

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 231103201220323 - 2⁹ = 231103201219811 is a prime.

It is a super-2 number, since 2×231103201220323² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231103201220303) 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, 6081663189990 + ... + 6081663190027.

It is an arithmetic number, because the mean of its divisors is an integer number (60816631900090).

Almost surely, 2^{231103201220323} is an apocalyptic number.

231103201220323 is a deficient number, since it is larger than the sum of its proper divisors (12163326380037).

231103201220323 is a wasteful number, since it uses less digits than its factorization.

231103201220323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12163326380036.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 231103201220323 its reverse (323022102301132), we get a palindrome (554125303521455).

The spelling of 231103201220323 in words is "two hundred thirty-one trillion, one hundred three billion, two hundred one million, two hundred twenty thousand, three hundred twenty-three".