23432047 has 2 divisors, whose sum is σ = 23432048. Its totient is φ = 23432046.

The previous prime is 23432023. The next prime is 23432053. The reversal of 23432047 is 74023432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23432047 is a prime.

It is a super-2 number, since 2×23432047² = 1098121653220418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23432447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11716023 + 11716024.

It is an arithmetic number, because the mean of its divisors is an integer number (11716024).

Almost surely, 2^23432047 is an apocalyptic number.

23432047 is a deficient number, since it is larger than the sum of its proper divisors (1).

23432047 is an equidigital number, since it uses as much as digits as its factorization.

23432047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 23432047 is about 4840.6659665794. The cubic root of 23432047 is about 286.1563646884.

Adding to 23432047 its reverse (74023432), we get a palindrome (97455479).

The spelling of 23432047 in words is "twenty-three million, four hundred thirty-two thousand, forty-seven".