23505041543 has 2 divisors, whose sum is σ = 23505041544. Its totient is φ = 23505041542.

The previous prime is 23505041537. The next prime is 23505041579. The reversal of 23505041543 is 34514050532.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23505041543 - 2⁶ = 23505041479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23505041503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11752520771 + 11752520772.

It is an arithmetic number, because the mean of its divisors is an integer number (11752520772).

Almost surely, 2^23505041543 is an apocalyptic number.

23505041543 is a deficient number, since it is larger than the sum of its proper divisors (1).

23505041543 is an equidigital number, since it uses as much as digits as its factorization.

23505041543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 23505041543 in words is "twenty-three billion, five hundred five million, forty-one thousand, five hundred forty-three".