23301220543 has 2 divisors, whose sum is σ = 23301220544. Its totient is φ = 23301220542.

The previous prime is 23301220441. The next prime is 23301220549. The reversal of 23301220543 is 34502210332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23301220543 - 2²¹ = 23299123391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23301220549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11650610271 + 11650610272.

It is an arithmetic number, because the mean of its divisors is an integer number (11650610272).

Almost surely, 2^23301220543 is an apocalyptic number.

23301220543 is a deficient number, since it is larger than the sum of its proper divisors (1).

23301220543 is an equidigital number, since it uses as much as digits as its factorization.

23301220543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 23301220543 its reverse (34502210332), we get a palindrome (57803430875).

The spelling of 23301220543 in words is "twenty-three billion, three hundred one million, two hundred twenty thousand, five hundred forty-three".