23154447647347 has 2 divisors, whose sum is σ = 23154447647348. Its totient is φ = 23154447647346.

The previous prime is 23154447647339. The next prime is 23154447647399. The reversal of 23154447647347 is 74374674445132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23154447647347 - 2³ = 23154447647339 is a prime.

It is a super-2 number, since 2×23154447647347² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23154447648347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11577223823673 + 11577223823674.

It is an arithmetic number, because the mean of its divisors is an integer number (11577223823674).

Almost surely, 2^{23154447647347} is an apocalyptic number.

23154447647347 is a deficient number, since it is larger than the sum of its proper divisors (1).

23154447647347 is an equidigital number, since it uses as much as digits as its factorization.

23154447647347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189665280, while the sum is 61.

The spelling of 23154447647347 in words is "twenty-three trillion, one hundred fifty-four billion, four hundred forty-seven million, six hundred forty-seven thousand, three hundred forty-seven".