23212213279 has 2 divisors, whose sum is σ = 23212213280. Its totient is φ = 23212213278.

The previous prime is 23212213267. The next prime is 23212213337. The reversal of 23212213279 is 97231221232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23212213279 - 2¹⁷ = 23212082207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23212213229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606106639 + 11606106640.

It is an arithmetic number, because the mean of its divisors is an integer number (11606106640).

Almost surely, 2^23212213279 is an apocalyptic number.

23212213279 is a deficient number, since it is larger than the sum of its proper divisors (1).

23212213279 is an equidigital number, since it uses as much as digits as its factorization.

23212213279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The spelling of 23212213279 in words is "twenty-three billion, two hundred twelve million, two hundred thirteen thousand, two hundred seventy-nine".