140424331420423 has 4 divisors (see below), whose sum is σ = 142201854603040. Its totient is φ = 138646808237808.

The previous prime is 140424331420393. The next prime is 140424331420489. The reversal of 140424331420423 is 324024133424041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140424331420423 - 2¹⁷ = 140424331289351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140424331429423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888761591190 + ... + 888761591347.

It is an arithmetic number, because the mean of its divisors is an integer number (35550463650760).

Almost surely, 2^{140424331420423} is an apocalyptic number.

140424331420423 is a deficient number, since it is larger than the sum of its proper divisors (1777523182617).

140424331420423 is an equidigital number, since it uses as much as digits as its factorization.

140424331420423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777523182616.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 140424331420423 its reverse (324024133424041), we get a palindrome (464448464844464).

The spelling of 140424331420423 in words is "one hundred forty trillion, four hundred twenty-four billion, three hundred thirty-one million, four hundred twenty thousand, four hundred twenty-three".