23532547 has 2 divisors, whose sum is σ = 23532548. Its totient is φ = 23532546.

The previous prime is 23532533. The next prime is 23532557. The reversal of 23532547 is 74523532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23532547 - 2¹⁵ = 23499779 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23532517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11766273 + 11766274.

It is an arithmetic number, because the mean of its divisors is an integer number (11766274).

Almost surely, 2^23532547 is an apocalyptic number.

23532547 is a deficient number, since it is larger than the sum of its proper divisors (1).

23532547 is an equidigital number, since it uses as much as digits as its factorization.

23532547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 31.

The square root of 23532547 is about 4851.0356626189. The cubic root of 23532547 is about 286.5648892045.

It can be divided in two parts, 2353 and 2547, that added together give a square (4900 = 70²).

The spelling of 23532547 in words is "twenty-three million, five hundred thirty-two thousand, five hundred forty-seven".