231343143023 has 16 divisors (see below), whose sum is σ = 248619853056. Its totient is φ = 214845592320.

The previous prime is 231343142993. The next prime is 231343143041. The reversal of 231343143023 is 320341343132.

It is a cyclic number.

It is not a de Polignac number, because 231343143023 - 2¹⁰ = 231343141999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231343143623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1297736 + ... + 1465197.

It is an arithmetic number, because the mean of its divisors is an integer number (15538740816).

Almost surely, 2^231343143023 is an apocalyptic number.

231343143023 is a deficient number, since it is larger than the sum of its proper divisors (17276710033).

231343143023 is a wasteful number, since it uses less digits than its factorization.

231343143023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763074.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 231343143023 its reverse (320341343132), we get a palindrome (551684486155).

The spelling of 231343143023 in words is "two hundred thirty-one billion, three hundred forty-three million, one hundred forty-three thousand, twenty-three".