23135224545533 has 2 divisors, whose sum is σ = 23135224545534. Its totient is φ = 23135224545532.

The previous prime is 23135224545431. The next prime is 23135224545583. The reversal of 23135224545533 is 33554542253132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14438989217689 + 8696235327844 = 3799867^2 + 2948938^2 .

It is a cyclic number.

It is not a de Polignac number, because 23135224545533 - 2²⁶ = 23135157436669 is a prime.

It is a super-2 number, since 2×23135224545533² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23135224545583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11567612272766 + 11567612272767.

It is an arithmetic number, because the mean of its divisors is an integer number (11567612272767).

Almost surely, 2^{23135224545533} is an apocalyptic number.

It is an amenable number.

23135224545533 is a deficient number, since it is larger than the sum of its proper divisors (1).

23135224545533 is an equidigital number, since it uses as much as digits as its factorization.

23135224545533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480000, while the sum is 47.

Adding to 23135224545533 its reverse (33554542253132), we get a palindrome (56689766798665).

The spelling of 23135224545533 in words is "twenty-three trillion, one hundred thirty-five billion, two hundred twenty-four million, five hundred forty-five thousand, five hundred thirty-three".