23432447 has 2 divisors, whose sum is σ = 23432448. Its totient is φ = 23432446.

The previous prime is 23432429. The next prime is 23432467. The reversal of 23432447 is 74423432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23432447 - 2¹⁶ = 23366911 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 (23432467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11716223 + 11716224.

It is an arithmetic number, because the mean of its divisors is an integer number (11716224).

Almost surely, 2^23432447 is an apocalyptic number.

23432447 is a deficient number, since it is larger than the sum of its proper divisors (1).

23432447 is an equidigital number, since it uses as much as digits as its factorization.

23432447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 29.

The square root of 23432447 is about 4840.7072830321. The cubic root of 23432447 is about 286.1579929697.

Adding to 23432447 its reverse (74423432), we get a palindrome (97855879).

The spelling of 23432447 in words is "twenty-three million, four hundred thirty-two thousand, four hundred forty-seven".