1223496969993 has 6 divisors (see below), whose sum is σ = 1767273401114. Its totient is φ = 815664646656.

The previous prime is 1223496969979. The next prime is 1223496970019. The reversal of 1223496969993 is 3999696943221.

1223496969993 is a `hidden beast` number, since 1 + 22 + 349 + 6 + 96 + 99 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 808898774544 + 414598195449 = 899388^2 + 643893^2 .

It is not a de Polignac number, because 1223496969993 - 2¹² = 1223496965897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223496969193) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67972053880 + ... + 67972053897.

Almost surely, 2^{1223496969993} is an apocalyptic number.

It is an amenable number.

1223496969993 is a deficient number, since it is larger than the sum of its proper divisors (543776431121).

1223496969993 is a wasteful number, since it uses less digits than its factorization.

1223496969993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135944107783 (or 135944107780 counting only the distinct ones).

The product of its digits is 306110016, while the sum is 72.

The spelling of 1223496969993 in words is "one trillion, two hundred twenty-three billion, four hundred ninety-six million, nine hundred sixty-nine thousand, nine hundred ninety-three".