140023155323 has 4 divisors (see below), whose sum is σ = 140171958768. Its totient is φ = 139874351880.

The previous prime is 140023155313. The next prime is 140023155353. The reversal of 140023155323 is 323551320041.

It is a happy number.

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 140023155323 - 2²⁰ = 140022106747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140023155313) 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, 74400311 + ... + 74402192.

It is an arithmetic number, because the mean of its divisors is an integer number (35042989692).

Almost surely, 2^140023155323 is an apocalyptic number.

140023155323 is a deficient number, since it is larger than the sum of its proper divisors (148803445).

140023155323 is an equidigital number, since it uses as much as digits as its factorization.

140023155323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148803444.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 140023155323 its reverse (323551320041), we get a palindrome (463574475364).

The spelling of 140023155323 in words is "one hundred forty billion, twenty-three million, one hundred fifty-five thousand, three hundred twenty-three".