200615206423 has 2 divisors, whose sum is σ = 200615206424. Its totient is φ = 200615206422.

The previous prime is 200615206403. The next prime is 200615206457. The reversal of 200615206423 is 324602516002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200615206423 - 2²¹ = 200613109271 is a prime.

It is a super-2 number, since 2×200615206423² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200615206403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100307603211 + 100307603212.

It is an arithmetic number, because the mean of its divisors is an integer number (100307603212).

Almost surely, 2^200615206423 is an apocalyptic number.

200615206423 is a deficient number, since it is larger than the sum of its proper divisors (1).

200615206423 is an equidigital number, since it uses as much as digits as its factorization.

200615206423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 200615206423 in words is "two hundred billion, six hundred fifteen million, two hundred six thousand, four hundred twenty-three".