23492543 has 2 divisors, whose sum is σ = 23492544. Its totient is φ = 23492542.

The previous prime is 23492537. The next prime is 23492563. The reversal of 23492543 is 34529432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23492543 - 2¹⁸ = 23230399 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23492563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11746271 + 11746272.

It is an arithmetic number, because the mean of its divisors is an integer number (11746272).

Almost surely, 2^23492543 is an apocalyptic number.

23492543 is a deficient number, since it is larger than the sum of its proper divisors (1).

23492543 is an equidigital number, since it uses as much as digits as its factorization.

23492543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 32.

The square root of 23492543 is about 4846.9106655683. The cubic root of 23492543 is about 286.4024157321.

The spelling of 23492543 in words is "twenty-three million, four hundred ninety-two thousand, five hundred forty-three".