1223004220023 has 16 divisors (see below), whose sum is σ = 1689980931072. Its totient is φ = 785891400000.

The previous prime is 1223004219977. The next prime is 1223004220027. The reversal of 1223004220023 is 3200224003221.

It is not a de Polignac number, because 1223004220023 - 2¹⁴ = 1223004203639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223004220027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26173038 + ... + 26219723.

It is an arithmetic number, because the mean of its divisors is an integer number (105623808192).

Almost surely, 2^{1223004220023} is an apocalyptic number.

1223004220023 is a deficient number, since it is larger than the sum of its proper divisors (466976711049).

1223004220023 is a wasteful number, since it uses less digits than its factorization.

1223004220023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52393046.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 1223004220023 its reverse (3200224003221), we get a palindrome (4423228223244).

The spelling of 1223004220023 in words is "one trillion, two hundred twenty-three billion, four million, two hundred twenty thousand, twenty-three".