23211693 has 12 divisors (see below), whose sum is σ = 33674940. Its totient is φ = 15406656.

The previous prime is 23211679. The next prime is 23211703. The reversal of 23211693 is 39611232.

It can be written as a sum of positive squares in 2 ways, for example, as 3337929 + 19873764 = 1827^2 + 4458^2 .

It is not a de Polignac number, because 23211693 - 2⁴ = 23211677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3438 + ... + 7631.

It is an arithmetic number, because the mean of its divisors is an integer number (2806245).

Almost surely, 2^23211693 is an apocalyptic number.

It is an amenable number.

23211693 is a deficient number, since it is larger than the sum of its proper divisors (10463247).

23211693 is a wasteful number, since it uses less digits than its factorization.

23211693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11308 (or 11305 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 23211693 is about 4817.8514921072. The cubic root of 23211693 is about 285.2565372500.

The spelling of 23211693 in words is "twenty-three million, two hundred eleven thousand, six hundred ninety-three".