23451047 has 2 divisors, whose sum is σ = 23451048. Its totient is φ = 23451046.

The previous prime is 23451037. The next prime is 23451067. The reversal of 23451047 is 74015432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23451047 - 2⁶ = 23450983 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 (23451017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11725523 + 11725524.

It is an arithmetic number, because the mean of its divisors is an integer number (11725524).

Almost surely, 2^23451047 is an apocalyptic number.

23451047 is a deficient number, since it is larger than the sum of its proper divisors (1).

23451047 is an equidigital number, since it uses as much as digits as its factorization.

23451047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 23451047 is about 4842.6281087856. The cubic root of 23451047 is about 286.2336875966.

Adding to 23451047 its reverse (74015432), we get a palindrome (97466479).

The spelling of 23451047 in words is "twenty-three million, four hundred fifty-one thousand, forty-seven".