213110001023 has 4 divisors (see below), whose sum is σ = 218307805968. Its totient is φ = 207912196080.

The previous prime is 213110001001. The next prime is 213110001029. The reversal of 213110001023 is 320100011312.

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 213110001023 - 2¹⁸ = 213109738879 is a prime.

It is a super-2 number, since 2×213110001023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213110000989 and 213110001007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213110001029) 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, 2598902411 + ... + 2598902492.

It is an arithmetic number, because the mean of its divisors is an integer number (54576951492).

Almost surely, 2^213110001023 is an apocalyptic number.

213110001023 is a deficient number, since it is larger than the sum of its proper divisors (5197804945).

213110001023 is an equidigital number, since it uses as much as digits as its factorization.

213110001023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5197804944.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 213110001023 its reverse (320100011312), we get a palindrome (533210012335).

The spelling of 213110001023 in words is "two hundred thirteen billion, one hundred ten million, one thousand, twenty-three".