23752543 has 2 divisors, whose sum is σ = 23752544. Its totient is φ = 23752542.

The previous prime is 23752529. The next prime is 23752559. The reversal of 23752543 is 34525732.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23752543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23752643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11876271 + 11876272.

It is an arithmetic number, because the mean of its divisors is an integer number (11876272).

Almost surely, 2^23752543 is an apocalyptic number.

23752543 is a deficient number, since it is larger than the sum of its proper divisors (1).

23752543 is an equidigital number, since it uses as much as digits as its factorization.

23752543 is an odious number, because the sum of its binary digits is odd.

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

The square root of 23752543 is about 4873.6580717157. The cubic root of 23752543 is about 287.4551128409.

The spelling of 23752543 in words is "twenty-three million, seven hundred fifty-two thousand, five hundred forty-three".