140403043423 has 8 divisors (see below), whose sum is σ = 145297255040. Its totient is φ = 135531649440.

The previous prime is 140403043399. The next prime is 140403043433. The reversal of 140403043423 is 324340304041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140403043423 - 2¹³ = 140403035231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140403043391 and 140403043400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140403043433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5691888 + ... + 5716501.

It is an arithmetic number, because the mean of its divisors is an integer number (18162156880).

Almost surely, 2^140403043423 is an apocalyptic number.

140403043423 is a deficient number, since it is larger than the sum of its proper divisors (4894211617).

140403043423 is a wasteful number, since it uses less digits than its factorization.

140403043423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11408817.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 140403043423 its reverse (324340304041), we get a palindrome (464743347464).

The spelling of 140403043423 in words is "one hundred forty billion, four hundred three million, forty-three thousand, four hundred twenty-three".