213023022023 has 4 divisors (see below), whose sum is σ = 243454882320. Its totient is φ = 182591161728.

The previous prime is 213023021999. The next prime is 213023022073. The reversal of 213023022023 is 320220320312.

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 213023022023 - 2¹² = 213023017927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213023021986 and 213023022004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213023022073) 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, 15215930138 + ... + 15215930151.

It is an arithmetic number, because the mean of its divisors is an integer number (60863720580).

Almost surely, 2^213023022023 is an apocalyptic number.

213023022023 is a deficient number, since it is larger than the sum of its proper divisors (30431860297).

213023022023 is an equidigital number, since it uses as much as digits as its factorization.

213023022023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30431860296.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 213023022023 its reverse (320220320312), we get a palindrome (533243342335).

The spelling of 213023022023 in words is "two hundred thirteen billion, twenty-three million, twenty-two thousand, twenty-three".