1223203023 has 72 divisors (see below), whose sum is σ = 2191486752. Its totient is φ = 653248512.

The previous prime is 1223203013. The next prime is 1223203031. The reversal of 1223203023 is 3203023221.

It is a happy number.

It is not a de Polignac number, because 1223203023 - 2¹³ = 1223194831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1223202987 and 1223203005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223203013) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1251511 + ... + 1252487.

It is an arithmetic number, because the mean of its divisors is an integer number (30437316).

Almost surely, 2^1223203023 is an apocalyptic number.

1223203023 is a deficient number, since it is larger than the sum of its proper divisors (968283729).

1223203023 is a wasteful number, since it uses less digits than its factorization.

1223203023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 1223203023 is about 34974.3194787261. The cubic root of 1223203023 is about 1069.4640291828.

Adding to 1223203023 its reverse (3203023221), we get a palindrome (4426226244).

The spelling of 1223203023 in words is "one billion, two hundred twenty-three million, two hundred three thousand, twenty-three".