1223023107 has 4 divisors (see below), whose sum is σ = 1630697480. Its totient is φ = 815348736.

The previous prime is 1223023079. The next prime is 1223023117. The reversal of 1223023107 is 7013203221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1223023107 - 2¹² = 1223019011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223023117) 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, 203837182 + ... + 203837187.

It is an arithmetic number, because the mean of its divisors is an integer number (407674370).

Almost surely, 2^1223023107 is an apocalyptic number.

1223023107 is a deficient number, since it is larger than the sum of its proper divisors (407674373).

1223023107 is an equidigital number, since it uses as much as digits as its factorization.

1223023107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407674372.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1223023107 is about 34971.7472683308. The cubic root of 1223023107 is about 1069.4115922280.

Adding to 1223023107 its reverse (7013203221), we get a palindrome (8236226328).

The spelling of 1223023107 in words is "one billion, two hundred twenty-three million, twenty-three thousand, one hundred seven".