23478347 has 2 divisors, whose sum is σ = 23478348. Its totient is φ = 23478346.

The previous prime is 23478337. The next prime is 23478373. The reversal of 23478347 is 74387432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23478347 - 2¹⁶ = 23412811 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 23478347.

It is not a weakly prime, because it can be changed into another prime (23478307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11739173 + 11739174.

It is an arithmetic number, because the mean of its divisors is an integer number (11739174).

Almost surely, 2^23478347 is an apocalyptic number.

23478347 is a deficient number, since it is larger than the sum of its proper divisors (1).

23478347 is an equidigital number, since it uses as much as digits as its factorization.

23478347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 38.

The square root of 23478347 is about 4845.4460063032. The cubic root of 23478347 is about 286.3447153245.

The spelling of 23478347 in words is "twenty-three million, four hundred seventy-eight thousand, three hundred forty-seven".