143431023 has 16 divisors (see below), whose sum is σ = 203164416. Its totient is φ = 89696640.

The previous prime is 143431003. The next prime is 143431033. The reversal of 143431023 is 320134341.

143431023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 143431023 - 2⁸ = 143430767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143431003) 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, 11340 + ... + 20382.

It is an arithmetic number, because the mean of its divisors is an integer number (12697776).

Almost surely, 2^143431023 is an apocalyptic number.

143431023 is a deficient number, since it is larger than the sum of its proper divisors (59733393).

143431023 is a wasteful number, since it uses less digits than its factorization.

143431023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9374.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 143431023 is about 11976.2691603020. The cubic root of 143431023 is about 523.4570242834.

Adding to 143431023 its reverse (320134341), we get a palindrome (463565364).

The spelling of 143431023 in words is "one hundred forty-three million, four hundred thirty-one thousand, twenty-three".