2273787823 has 2 divisors, whose sum is σ = 2273787824. Its totient is φ = 2273787822.

The previous prime is 2273787809. The next prime is 2273787847. The reversal of 2273787823 is 3287873722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2273787823 - 2¹⁷ = 2273656751 is a prime.

It is a super-2 number, since 2×2273787823² = 10340222128046158658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2273787863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136893911 + 1136893912.

It is an arithmetic number, because the mean of its divisors is an integer number (1136893912).

Almost surely, 2^2273787823 is an apocalyptic number.

2273787823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2273787823 is an equidigital number, since it uses as much as digits as its factorization.

2273787823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1580544, while the sum is 49.

The square root of 2273787823 is about 47684.2513100499. The cubic root of 2273787823 is about 1314.9724240628.

The spelling of 2273787823 in words is "two billion, two hundred seventy-three million, seven hundred eighty-seven thousand, eight hundred twenty-three".