23778283 has 2 divisors, whose sum is σ = 23778284. Its totient is φ = 23778282.

The previous prime is 23778281. The next prime is 23778301. The reversal of 23778283 is 38287732.

23778283 is nontrivially palindromic in base 12.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23778283 - 2¹ = 23778281 is a prime.

It is a super-3 number, since 3×23778283³ (a number of 23 digits) contains 333 as substring.

Together with 23778281, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23778281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11889141 + 11889142.

It is an arithmetic number, because the mean of its divisors is an integer number (11889142).

Almost surely, 2^23778283 is an apocalyptic number.

23778283 is a deficient number, since it is larger than the sum of its proper divisors (1).

23778283 is an equidigital number, since it uses as much as digits as its factorization.

23778283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 40.

The square root of 23778283 is about 4876.2980835876. The cubic root of 23778283 is about 287.5589111792.

It can be divided in two parts, 2377 and 8283, that multiplied together give a palindrome (19688691).

The spelling of 23778283 in words is "twenty-three million, seven hundred seventy-eight thousand, two hundred eighty-three".