142104223 has 2 divisors, whose sum is σ = 142104224. Its totient is φ = 142104222.

The previous prime is 142104181. The next prime is 142104233. The reversal of 142104223 is 322401241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142104223 is a prime.

It is a super-2 number, since 2×142104223² = 40387220388867458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142104223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142104233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71052111 + 71052112.

It is an arithmetic number, because the mean of its divisors is an integer number (71052112).

Almost surely, 2^142104223 is an apocalyptic number.

142104223 is a deficient number, since it is larger than the sum of its proper divisors (1).

142104223 is an equidigital number, since it uses as much as digits as its factorization.

142104223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 142104223 is about 11920.7475856173. The cubic root of 142104223 is about 521.8379524205.

Adding to 142104223 its reverse (322401241), we get a palindrome (464505464).

The spelling of 142104223 in words is "one hundred forty-two million, one hundred four thousand, two hundred twenty-three".