142065823 has 2 divisors, whose sum is σ = 142065824. Its totient is φ = 142065822.

The previous prime is 142065797. The next prime is 142065841. The reversal of 142065823 is 328560241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142065823 - 2²¹ = 139968671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142065853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71032911 + 71032912.

It is an arithmetic number, because the mean of its divisors is an integer number (71032912).

Almost surely, 2^142065823 is an apocalyptic number.

142065823 is a deficient number, since it is larger than the sum of its proper divisors (1).

142065823 is an equidigital number, since it uses as much as digits as its factorization.

142065823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 142065823 is about 11919.1368395534. The cubic root of 142065823 is about 521.7909437715.

The spelling of 142065823 in words is "one hundred forty-two million, sixty-five thousand, eight hundred twenty-three".