140244344142323 has 32 divisors (see below), whose sum is σ = 149780795867136. Its totient is φ = 131038162915968.

The previous prime is 140244344142311. The next prime is 140244344142389. The reversal of 140244344142323 is 323241443442041.

It is a cyclic number.

It is not a de Polignac number, because 140244344142323 - 2²⁰ = 140244343093747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140244344102323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70048661 + ... + 72022937.

It is an arithmetic number, because the mean of its divisors is an integer number (4680649870848).

Almost surely, 2^{140244344142323} is an apocalyptic number.

140244344142323 is a deficient number, since it is larger than the sum of its proper divisors (9536451724813).

140244344142323 is a wasteful number, since it uses less digits than its factorization.

140244344142323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974803.

The product of its (nonzero) digits is 884736, while the sum is 41.

Adding to 140244344142323 its reverse (323241443442041), we get a palindrome (463485787584364).

The spelling of 140244344142323 in words is "one hundred forty trillion, two hundred forty-four billion, three hundred forty-four million, one hundred forty-two thousand, three hundred twenty-three".