213013332023 has 4 divisors (see below), whose sum is σ = 213066576048. Its totient is φ = 212960088000.

The previous prime is 213013331941. The next prime is 213013332041. The reversal of 213013332023 is 320233310312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213013332023 - 2³² = 208718364727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 213013332023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213013335023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26616011 + ... + 26624012.

It is an arithmetic number, because the mean of its divisors is an integer number (53266644012).

Almost surely, 2^213013332023 is an apocalyptic number.

213013332023 is a deficient number, since it is larger than the sum of its proper divisors (53244025).

213013332023 is an equidigital number, since it uses as much as digits as its factorization.

213013332023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53244024.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 213013332023 its reverse (320233310312), we get a palindrome (533246642335).

The spelling of 213013332023 in words is "two hundred thirteen billion, thirteen million, three hundred thirty-two thousand, twenty-three".