2215212323 has 2 divisors, whose sum is σ = 2215212324. Its totient is φ = 2215212322.

The previous prime is 2215212269. The next prime is 2215212343. The reversal of 2215212323 is 3232125122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2215212323 - 2¹² = 2215208227 is a prime.

It is not a weakly prime, because it can be changed into another prime (2215212343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107606161 + 1107606162.

It is an arithmetic number, because the mean of its divisors is an integer number (1107606162).

Almost surely, 2^2215212323 is an apocalyptic number.

2215212323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2215212323 is an equidigital number, since it uses as much as digits as its factorization.

2215212323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 23.

The square root of 2215212323 is about 47066.0421429293. The cubic root of 2215212323 is about 1303.5822936883.

Adding to 2215212323 its reverse (3232125122), we get a palindrome (5447337445).

The spelling of 2215212323 in words is "two billion, two hundred fifteen million, two hundred twelve thousand, three hundred twenty-three".