144431242023 has 12 divisors (see below), whose sum is σ = 203243965368. Its totient is φ = 91219731120.

The previous prime is 144431241973. The next prime is 144431242031. The reversal of 144431242023 is 320242134441.

It is not a de Polignac number, because 144431242023 - 2⁶ = 144431241959 is a prime.

It is a super-2 number, since 2×144431242023² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144431242063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66680008 + ... + 66682173.

It is an arithmetic number, because the mean of its divisors is an integer number (16936997114).

Almost surely, 2^144431242023 is an apocalyptic number.

144431242023 is a deficient number, since it is larger than the sum of its proper divisors (58812723345).

144431242023 is a wasteful number, since it uses less digits than its factorization.

144431242023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133362222 (or 133362203 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 144431242023 its reverse (320242134441), we get a palindrome (464673376464).

The spelling of 144431242023 in words is "one hundred forty-four billion, four hundred thirty-one million, two hundred forty-two thousand, twenty-three".