538223383243 has 24 divisors (see below), whose sum is σ = 666386816928. Its totient is φ = 425643558912.

The previous prime is 538223383183. The next prime is 538223383273. The reversal of 538223383243 is 342383322835.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-538223383243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 538223383193 and 538223383202.

It is not an unprimeable number, because it can be changed into a prime (538223383273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2392021 + ... + 2607337.

It is an arithmetic number, because the mean of its divisors is an integer number (27766117372).

Almost surely, 2^538223383243 is an apocalyptic number.

538223383243 is a deficient number, since it is larger than the sum of its proper divisors (128163433685).

538223383243 is a wasteful number, since it uses less digits than its factorization.

538223383243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217463 (or 217450 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 46.

The spelling of 538223383243 in words is "five hundred thirty-eight billion, two hundred twenty-three million, three hundred eighty-three thousand, two hundred forty-three".