140442424023 has 16 divisors (see below), whose sum is σ = 204306610176. Its totient is φ = 85105487040.

The previous prime is 140442424019. The next prime is 140442424039. The reversal of 140442424023 is 320424244041.

It is not a de Polignac number, because 140442424023 - 2² = 140442424019 is a prime.

It is a super-2 number, since 2×140442424023² (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 (140442422023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18615 + ... + 530312.

It is an arithmetic number, because the mean of its divisors is an integer number (12769163136).

Almost surely, 2^140442424023 is an apocalyptic number.

140442424023 is a deficient number, since it is larger than the sum of its proper divisors (63864186153).

140442424023 is a wasteful number, since it uses less digits than its factorization.

140442424023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556694.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 140442424023 its reverse (320424244041), we get a palindrome (460866668064).

It can be divided in two parts, 140442 and 424023, that added together give a palindrome (564465).

The spelling of 140442424023 in words is "one hundred forty billion, four hundred forty-two million, four hundred twenty-four thousand, twenty-three".