1023212223 has 32 divisors (see below), whose sum is σ = 1684903680. Its totient is φ = 608418720.

The previous prime is 1023212209. The next prime is 1023212227. The reversal of 1023212223 is 3222123201.

It is not a de Polignac number, because 1023212223 - 2⁴ = 1023212207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1023212196 and 1023212205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023212227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16761 + ... + 48242.

It is an arithmetic number, because the mean of its divisors is an integer number (52653240).

Almost surely, 2^1023212223 is an apocalyptic number.

1023212223 is a deficient number, since it is larger than the sum of its proper divisors (661691457).

1023212223 is a wasteful number, since it uses less digits than its factorization.

1023212223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65076 (or 65070 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1023212223 is about 31987.6886160910. The cubic root of 1023212223 is about 1007.6783004738.

Adding to 1023212223 its reverse (3222123201), we get a palindrome (4245335424).

The spelling of 1023212223 in words is "one billion, twenty-three million, two hundred twelve thousand, two hundred twenty-three".