23212022287 has 2 divisors, whose sum is σ = 23212022288. Its totient is φ = 23212022286.

The previous prime is 23212022279. The next prime is 23212022299. The reversal of 23212022287 is 78222021232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23212022287 - 2³ = 23212022279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23212022237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606011143 + 11606011144.

It is an arithmetic number, because the mean of its divisors is an integer number (11606011144).

Almost surely, 2^23212022287 is an apocalyptic number.

23212022287 is a deficient number, since it is larger than the sum of its proper divisors (1).

23212022287 is an equidigital number, since it uses as much as digits as its factorization.

23212022287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 31.

The spelling of 23212022287 in words is "twenty-three billion, two hundred twelve million, twenty-two thousand, two hundred eighty-seven".