1223031023 has 4 divisors (see below), whose sum is σ = 1224115440. Its totient is φ = 1221946608.

The previous prime is 1223031011. The next prime is 1223031037. The reversal of 1223031023 is 3201303221.

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 1223031023 - 2¹⁶ = 1222965487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1223030992 and 1223031010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223031053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540515 + ... + 542772.

It is an arithmetic number, because the mean of its divisors is an integer number (306028860).

Almost surely, 2^1223031023 is an apocalyptic number.

1223031023 is a deficient number, since it is larger than the sum of its proper divisors (1084417).

1223031023 is a wasteful number, since it uses less digits than its factorization.

1223031023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084416.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1223031023 is about 34971.8604452208. The cubic root of 1223031023 is about 1069.4138994736.

Adding to 1223031023 its reverse (3201303221), we get a palindrome (4424334244).

The spelling of 1223031023 in words is "one billion, two hundred twenty-three million, thirty-one thousand, twenty-three".