140431024420323 has 128 divisors (see below), whose sum is σ = 232553515622400. Its totient is φ = 73400853307392.

The previous prime is 140431024420301. The next prime is 140431024420381. The reversal of 140431024420323 is 323024420134041.

It is not a de Polignac number, because 140431024420323 - 2⁸ = 140431024420067 is a prime.

It is a super-3 number, since 3×140431024420323³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (140431024420523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 28723872463 + ... + 28723877351.

It is an arithmetic number, because the mean of its divisors is an integer number (1816824340800).

Almost surely, 2^{140431024420323} is an apocalyptic number.

140431024420323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

140431024420323 is a deficient number, since it is larger than the sum of its proper divisors (92122491202077).

140431024420323 is a wasteful number, since it uses less digits than its factorization.

140431024420323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6981.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 140431024420323 its reverse (323024420134041), we get a palindrome (463455444554364).

The spelling of 140431024420323 in words is "one hundred forty trillion, four hundred thirty-one billion, twenty-four million, four hundred twenty thousand, three hundred twenty-three".