1223220023013 has 8 divisors (see below), whose sum is σ = 1631062201888. Its totient is φ = 815428929744.

The previous prime is 1223220022991. The next prime is 1223220023033. The reversal of 1223220023013 is 3103200223221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1223220023013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223220023033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12715495 + ... + 12811332.

It is an arithmetic number, because the mean of its divisors is an integer number (203882775236).

Almost surely, 2^{1223220023013} is an apocalyptic number.

It is an amenable number.

1223220023013 is a deficient number, since it is larger than the sum of its proper divisors (407842178875).

1223220023013 is a wasteful number, since it uses less digits than its factorization.

1223220023013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25542803.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1223220023013 its reverse (3103200223221), we get a palindrome (4326420246234).

The spelling of 1223220023013 in words is "one trillion, two hundred twenty-three billion, two hundred twenty million, twenty-three thousand, thirteen".