23481047 has 2 divisors, whose sum is σ = 23481048. Its totient is φ = 23481046.

The previous prime is 23481037. The next prime is 23481071. The reversal of 23481047 is 74018432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23481047 - 2⁶ = 23480983 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23481037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11740523 + 11740524.

It is an arithmetic number, because the mean of its divisors is an integer number (11740524).

Almost surely, 2^23481047 is an apocalyptic number.

23481047 is a deficient number, since it is larger than the sum of its proper divisors (1).

23481047 is an equidigital number, since it uses as much as digits as its factorization.

23481047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 23481047 is about 4845.7246104169. The cubic root of 23481047 is about 286.3556914109.

Adding to 23481047 its reverse (74018432), we get a palindrome (97499479).

The spelling of 23481047 in words is "twenty-three million, four hundred eighty-one thousand, forty-seven".