20140142322323 has 4 divisors (see below), whose sum is σ = 20834629988640. Its totient is φ = 19445654656008.

The previous prime is 20140142322277. The next prime is 20140142322347. The reversal of 20140142322323 is 32322324104102.

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 20140142322323 - 2⁶ = 20140142322259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 694487666287 = 20140142322323 / (2 + 0 + 1 + 4 + 0 + 1 + 4 + 2 + 3 + 2 + 2 + 3 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20140142322823) 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, 347243833115 + ... + 347243833172.

It is an arithmetic number, because the mean of its divisors is an integer number (5208657497160).

Almost surely, 2^{20140142322323} is an apocalyptic number.

20140142322323 is a deficient number, since it is larger than the sum of its proper divisors (694487666317).

20140142322323 is an equidigital number, since it uses as much as digits as its factorization.

20140142322323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694487666316.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 20140142322323 its reverse (32322324104102), we get a palindrome (52462466426425).

The spelling of 20140142322323 in words is "twenty trillion, one hundred forty billion, one hundred forty-two million, three hundred twenty-two thousand, three hundred twenty-three".