231433141223 has 4 divisors (see below), whose sum is σ = 232313115408. Its totient is φ = 230553167040.

The previous prime is 231433141127. The next prime is 231433141267. The reversal of 231433141223 is 322141334132.

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 231433141223 - 2¹⁰ = 231433140199 is a prime.

It is a super-2 number, since 2×231433141223² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231433143223) 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, 439986698 + ... + 439987223.

It is an arithmetic number, because the mean of its divisors is an integer number (58078278852).

Almost surely, 2^231433141223 is an apocalyptic number.

231433141223 is a deficient number, since it is larger than the sum of its proper divisors (879974185).

231433141223 is an equidigital number, since it uses as much as digits as its factorization.

231433141223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879974184.

The product of its digits is 10368, while the sum is 29.

Adding to 231433141223 its reverse (322141334132), we get a palindrome (553574475355).

The spelling of 231433141223 in words is "two hundred thirty-one billion, four hundred thirty-three million, one hundred forty-one thousand, two hundred twenty-three".