213203111023 has 32 divisors (see below), whose sum is σ = 247986514944. Its totient is φ = 179529115392.

The previous prime is 213203110961. The next prime is 213203111047. The reversal of 213203111023 is 320111302312.

It is a cyclic number.

It is not a de Polignac number, because 213203111023 - 2¹³ = 213203102831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213203111123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89693011 + ... + 89695387.

It is an arithmetic number, because the mean of its divisors is an integer number (7749578592).

Almost surely, 2^213203111023 is an apocalyptic number.

213203111023 is a deficient number, since it is larger than the sum of its proper divisors (34783403921).

213203111023 is a wasteful number, since it uses less digits than its factorization.

213203111023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3271.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 213203111023 its reverse (320111302312), we get a palindrome (533314413335).

The spelling of 213203111023 in words is "two hundred thirteen billion, two hundred three million, one hundred eleven thousand, twenty-three".