1213423125393 has 16 divisors (see below), whose sum is σ = 1727502289920. Its totient is φ = 755782248144.

The previous prime is 1213423125367. The next prime is 1213423125433. The reversal of 1213423125393 is 3935213243121.

It is not a de Polignac number, because 1213423125393 - 2⁶ = 1213423125329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1213423125293) 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, 204483573 + ... + 204489506.

It is an arithmetic number, because the mean of its divisors is an integer number (107968893120).

Almost surely, 2^{1213423125393} is an apocalyptic number.

It is an amenable number.

1213423125393 is a deficient number, since it is larger than the sum of its proper divisors (514079164527).

1213423125393 is a wasteful number, since it uses less digits than its factorization.

1213423125393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408973148.

The product of its digits is 116640, while the sum is 39.

The spelling of 1213423125393 in words is "one trillion, two hundred thirteen billion, four hundred twenty-three million, one hundred twenty-five thousand, three hundred ninety-three".