1223589245813 has 16 divisors (see below), whose sum is σ = 1418337936576. Its totient is φ = 1043221866240.

The previous prime is 1223589245771. The next prime is 1223589245833. The reversal of 1223589245813 is 3185429853221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223589245813 is a prime.

It is a super-2 number, since 2×1223589245813² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223589245833) 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, 11507606 + ... + 11613447.

It is an arithmetic number, because the mean of its divisors is an integer number (88646121036).

Almost surely, 2^{1223589245813} is an apocalyptic number.

It is an amenable number.

1223589245813 is a deficient number, since it is larger than the sum of its proper divisors (194748690763).

1223589245813 is a wasteful number, since it uses less digits than its factorization.

1223589245813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23121364.

The product of its digits is 4147200, while the sum is 53.

The spelling of 1223589245813 in words is "one trillion, two hundred twenty-three billion, five hundred eighty-nine million, two hundred forty-five thousand, eight hundred thirteen".