23005543541 has 2 divisors, whose sum is σ = 23005543542. Its totient is φ = 23005543540.

The previous prime is 23005543513. The next prime is 23005543549. The reversal of 23005543541 is 14534550032.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15011395441 + 7994148100 = 122521^2 + 89410^2 .

It is a cyclic number.

It is not a de Polignac number, because 23005543541 - 2²² = 23001349237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23005543498 and 23005543507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23005543549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11502771770 + 11502771771.

It is an arithmetic number, because the mean of its divisors is an integer number (11502771771).

Almost surely, 2^23005543541 is an apocalyptic number.

It is an amenable number.

23005543541 is a deficient number, since it is larger than the sum of its proper divisors (1).

23005543541 is an equidigital number, since it uses as much as digits as its factorization.

23005543541 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 23005543541 in words is "twenty-three billion, five million, five hundred forty-three thousand, five hundred forty-one".