23212771 has 2 divisors, whose sum is σ = 23212772. Its totient is φ = 23212770.

The previous prime is 23212751. The next prime is 23212823. The reversal of 23212771 is 17721232.

23212771 is nontrivially palindromic in base 12.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23212771 - 2¹⁹ = 22688483 is a prime.

It is not a weakly prime, because it can be changed into another prime (23212711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11606385 + 11606386.

It is an arithmetic number, because the mean of its divisors is an integer number (11606386).

Almost surely, 2^23212771 is an apocalyptic number.

23212771 is a deficient number, since it is larger than the sum of its proper divisors (1).

23212771 is an equidigital number, since it uses as much as digits as its factorization.

23212771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1176, while the sum is 25.

The square root of 23212771 is about 4817.9633664029. The cubic root of 23212771 is about 285.2609531535.

It can be divided in two parts, 2321 and 2771, that multiplied together give a triangular number (6431491 = T₃₅₈₆).

The spelling of 23212771 in words is "twenty-three million, two hundred twelve thousand, seven hundred seventy-one".