140720292291323 has 4 divisors (see below), whose sum is σ = 140720320577400. Its totient is φ = 140720264005248.

The previous prime is 140720292291289. The next prime is 140720292291547. The reversal of 140720292291323 is 323192292027041.

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 140720292291323 - 2⁸ = 140720292291067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140720292290323) 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, 4479965 + ... + 17364062.

It is an arithmetic number, because the mean of its divisors is an integer number (35180080144350).

Almost surely, 2^{140720292291323} is an apocalyptic number.

140720292291323 is a deficient number, since it is larger than the sum of its proper divisors (28286077).

140720292291323 is an equidigital number, since it uses as much as digits as its factorization.

140720292291323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28286076.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 140720292291323 in words is "one hundred forty trillion, seven hundred twenty billion, two hundred ninety-two million, two hundred ninety-one thousand, three hundred twenty-three".