23447790347 has 2 divisors, whose sum is σ = 23447790348. Its totient is φ = 23447790346.

The previous prime is 23447790337. The next prime is 23447790361. The reversal of 23447790347 is 74309774432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23447790347 - 2¹² = 23447786251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23447790295 and 23447790304.

It is not a weakly prime, because it can be changed into another prime (23447790337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11723895173 + 11723895174.

It is an arithmetic number, because the mean of its divisors is an integer number (11723895174).

Almost surely, 2^23447790347 is an apocalyptic number.

23447790347 is a deficient number, since it is larger than the sum of its proper divisors (1).

23447790347 is an equidigital number, since it uses as much as digits as its factorization.

23447790347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3556224, while the sum is 50.

The spelling of 23447790347 in words is "twenty-three billion, four hundred forty-seven million, seven hundred ninety thousand, three hundred forty-seven".