142223093 has 2 divisors, whose sum is σ = 142223094. Its totient is φ = 142223092.

The previous prime is 142223089. The next prime is 142223141. The reversal of 142223093 is 390322241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132871729 + 9351364 = 11527^2 + 3058^2 .

It is a cyclic number.

It is not a de Polignac number, because 142223093 - 2² = 142223089 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142223023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71111546 + 71111547.

It is an arithmetic number, because the mean of its divisors is an integer number (71111547).

Almost surely, 2^142223093 is an apocalyptic number.

It is an amenable number.

142223093 is a deficient number, since it is larger than the sum of its proper divisors (1).

142223093 is an equidigital number, since it uses as much as digits as its factorization.

142223093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 142223093 is about 11925.7323884112. The cubic root of 142223093 is about 521.9834174598.

The spelling of 142223093 in words is "one hundred forty-two million, two hundred twenty-three thousand, ninety-three".