231203341223 has 4 divisors (see below), whose sum is σ = 231337529448. Its totient is φ = 231069153000.

The previous prime is 231203341219. The next prime is 231203341247. The reversal of 231203341223 is 322143302132.

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 231203341223 - 2² = 231203341219 is a prime.

It is a super-2 number, since 2×231203341223² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231203341192 and 231203341201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231203341723) 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, 67091528 + ... + 67094973.

It is an arithmetic number, because the mean of its divisors is an integer number (57834382362).

Almost surely, 2^231203341223 is an apocalyptic number.

231203341223 is a deficient number, since it is larger than the sum of its proper divisors (134188225).

231203341223 is a wasteful number, since it uses less digits than its factorization.

231203341223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134188224.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 231203341223 its reverse (322143302132), we get a palindrome (553346643355).

The spelling of 231203341223 in words is "two hundred thirty-one billion, two hundred three million, three hundred forty-one thousand, two hundred twenty-three".