200142623 has 2 divisors, whose sum is σ = 200142624. Its totient is φ = 200142622.

The previous prime is 200142587. The next prime is 200142641. The reversal of 200142623 is 326241002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200142623 - 2⁸ = 200142367 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200142595 and 200142604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200142673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100071311 + 100071312.

It is an arithmetic number, because the mean of its divisors is an integer number (100071312).

Almost surely, 2^200142623 is an apocalyptic number.

200142623 is a deficient number, since it is larger than the sum of its proper divisors (1).

200142623 is an equidigital number, since it uses as much as digits as its factorization.

200142623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 200142623 is about 14147.1772096062. The cubic root of 200142623 is about 584.9425253394.

Adding to 200142623 its reverse (326241002), we get a palindrome (526383625).

The spelling of 200142623 in words is "two hundred million, one hundred forty-two thousand, six hundred twenty-three".