140004001423 has 24 divisors (see below), whose sum is σ = 171441043200. Its totient is φ = 113434601280.

The previous prime is 140004001399. The next prime is 140004001433. The reversal of 140004001423 is 324100400041.

It is not a de Polignac number, because 140004001423 - 2⁹ = 140004000911 is a prime.

It is a super-2 number, since 2×140004001423² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140004001423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140004001433) 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 23 ways as a sum of consecutive naturals, for example, 1488943 + ... + 1580176.

It is an arithmetic number, because the mean of its divisors is an integer number (7143376800).

Almost surely, 2^140004001423 is an apocalyptic number.

140004001423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

140004001423 is a deficient number, since it is larger than the sum of its proper divisors (31437041777).

140004001423 is a wasteful number, since it uses less digits than its factorization.

140004001423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069183 (or 3069172 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 140004001423 its reverse (324100400041), we get a palindrome (464104401464).

The spelling of 140004001423 in words is "one hundred forty billion, four million, one thousand, four hundred twenty-three".