21323202283 has 2 divisors, whose sum is σ = 21323202284. Its totient is φ = 21323202282.

The previous prime is 21323202269. The next prime is 21323202293. The reversal of 21323202283 is 38220232312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21323202283 - 2⁹ = 21323201771 is a prime.

It is not a weakly prime, because it can be changed into another prime (21323202293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10661601141 + 10661601142.

It is an arithmetic number, because the mean of its divisors is an integer number (10661601142).

Almost surely, 2^21323202283 is an apocalyptic number.

21323202283 is a deficient number, since it is larger than the sum of its proper divisors (1).

21323202283 is an equidigital number, since it uses as much as digits as its factorization.

21323202283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 21323202283 its reverse (38220232312), we get a palindrome (59543434595).

The spelling of 21323202283 in words is "twenty-one billion, three hundred twenty-three million, two hundred two thousand, two hundred eighty-three".