23157471347 has 2 divisors, whose sum is σ = 23157471348. Its totient is φ = 23157471346.

The previous prime is 23157471343. The next prime is 23157471373. The reversal of 23157471347 is 74317475132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23157471347 - 2² = 23157471343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23157471298 and 23157471307.

It is not a weakly prime, because it can be changed into another prime (23157471343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11578735673 + 11578735674.

It is an arithmetic number, because the mean of its divisors is an integer number (11578735674).

Almost surely, 2^23157471347 is an apocalyptic number.

23157471347 is a deficient number, since it is larger than the sum of its proper divisors (1).

23157471347 is an equidigital number, since it uses as much as digits as its factorization.

23157471347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 44.

The spelling of 23157471347 in words is "twenty-three billion, one hundred fifty-seven million, four hundred seventy-one thousand, three hundred forty-seven".