23877944543 has 2 divisors, whose sum is σ = 23877944544. Its totient is φ = 23877944542.

The previous prime is 23877944539. The next prime is 23877944549. The reversal of 23877944543 is 34544977832.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23877944543 - 2² = 23877944539 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23877944549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11938972271 + 11938972272.

It is an arithmetic number, because the mean of its divisors is an integer number (11938972272).

Almost surely, 2^23877944543 is an apocalyptic number.

23877944543 is a deficient number, since it is larger than the sum of its proper divisors (1).

23877944543 is an equidigital number, since it uses as much as digits as its factorization.

23877944543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20321280, while the sum is 56.

The spelling of 23877944543 in words is "twenty-three billion, eight hundred seventy-seven million, nine hundred forty-four thousand, five hundred forty-three".