1347273223257 has 32 divisors (see below), whose sum is σ = 1963592991360. Its totient is φ = 816644759040.

The previous prime is 1347273223213. The next prime is 1347273223259. The reversal of 1347273223257 is 7523223727431.

It is not a de Polignac number, because 1347273223257 - 2¹¹ = 1347273221209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1347273223259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57759157 + ... + 57782477.

It is an arithmetic number, because the mean of its divisors is an integer number (61362280980).

Almost surely, 2^{1347273223257} is an apocalyptic number.

It is an amenable number.

1347273223257 is a deficient number, since it is larger than the sum of its proper divisors (616319768103).

1347273223257 is a wasteful number, since it uses less digits than its factorization.

1347273223257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45513.

The product of its digits is 2963520, while the sum is 48.

The spelling of 1347273223257 in words is "one trillion, three hundred forty-seven billion, two hundred seventy-three million, two hundred twenty-three thousand, two hundred fifty-seven".