1023213211 has 4 divisors (see below), whose sum is σ = 1023946000. Its totient is φ = 1022480424.

The previous prime is 1023213203. The next prime is 1023213229. The reversal of 1023213211 is 1123123201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1123123201 = 197 ⋅5701133.

It is a cyclic number.

It is not a de Polignac number, because 1023213211 - 2³ = 1023213203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023213271) 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, 364296 + ... + 367093.

It is an arithmetic number, because the mean of its divisors is an integer number (255986500).

Almost surely, 2^1023213211 is an apocalyptic number.

1023213211 is a deficient number, since it is larger than the sum of its proper divisors (732789).

1023213211 is an equidigital number, since it uses as much as digits as its factorization.

1023213211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732788.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1023213211 is about 31987.7040595289. The cubic root of 1023213211 is about 1007.6786248072.

Adding to 1023213211 its reverse (1123123201), we get a palindrome (2146336412).

The spelling of 1023213211 in words is "one billion, twenty-three million, two hundred thirteen thousand, two hundred eleven".