140423402443 has 8 divisors (see below), whose sum is σ = 142229898720. Its totient is φ = 138628232640.

The previous prime is 140423402437. The next prime is 140423402453. The reversal of 140423402443 is 344204324041.

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 140423402443 - 2⁵ = 140423402411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140423402453) 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, 2806663 + ... + 2856256.

It is an arithmetic number, because the mean of its divisors is an integer number (17778737340).

Almost surely, 2^140423402443 is an apocalyptic number.

140423402443 is a deficient number, since it is larger than the sum of its proper divisors (1806496277).

140423402443 is a wasteful number, since it uses less digits than its factorization.

140423402443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5663237.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 140423402443 its reverse (344204324041), we get a palindrome (484627726484).

The spelling of 140423402443 in words is "one hundred forty billion, four hundred twenty-three million, four hundred two thousand, four hundred forty-three".