20142323 has 2 divisors, whose sum is σ = 20142324. Its totient is φ = 20142322.

The previous prime is 20142313. The next prime is 20142347. The reversal of 20142323 is 32324102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20142323 - 2⁴ = 20142307 is a prime.

It is not a weakly prime, because it can be changed into another prime (20142313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10071161 + 10071162.

It is an arithmetic number, because the mean of its divisors is an integer number (10071162).

Almost surely, 2^20142323 is an apocalyptic number.

20142323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20142323 is an equidigital number, since it uses as much as digits as its factorization.

20142323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 20142323 is about 4488.0199420234. The cubic root of 20142323 is about 272.0841137998.

Adding to 20142323 its reverse (32324102), we get a palindrome (52466425).

It can be divided in two parts, 201 and 42323, that added together give a palindrome (42524).

The spelling of 20142323 in words is "twenty million, one hundred forty-two thousand, three hundred twenty-three".