213288796223 has 64 divisors (see below), whose sum is σ = 236851507200. Its totient is φ = 191409039360.

The previous prime is 213288796211. The next prime is 213288796249. The reversal of 213288796223 is 322697882312.

It is a happy number.

It is a Cunningham number, because it is equal to 461832²-1.

It is a cyclic number.

It is not a de Polignac number, because 213288796223 - 2¹⁶ = 213288730687 is a prime.

It is a super-2 number, since 2×213288796223² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213288796723) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 956451890 + ... + 956452112.

It is an arithmetic number, because the mean of its divisors is an integer number (3700804800).

Almost surely, 2^213288796223 is an apocalyptic number.

213288796223 is a deficient number, since it is larger than the sum of its proper divisors (23562710977).

213288796223 is a wasteful number, since it uses less digits than its factorization.

213288796223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592.

The product of its digits is 3483648, while the sum is 53.

The spelling of 213288796223 in words is "two hundred thirteen billion, two hundred eighty-eight million, seven hundred ninety-six thousand, two hundred twenty-three".