23135224545431 has 2 divisors, whose sum is σ = 23135224545432. Its totient is φ = 23135224545430.

The previous prime is 23135224545379. The next prime is 23135224545533. The reversal of 23135224545431 is 13454542253132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23135224545431 - 2¹⁰ = 23135224544407 is a prime.

It is a super-2 number, since 2×23135224545431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23135221545431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11567612272715 + 11567612272716.

It is an arithmetic number, because the mean of its divisors is an integer number (11567612272716).

Almost surely, 2^{23135224545431} is an apocalyptic number.

23135224545431 is a deficient number, since it is larger than the sum of its proper divisors (1).

23135224545431 is an equidigital number, since it uses as much as digits as its factorization.

23135224545431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728000, while the sum is 44.

Adding to 23135224545431 its reverse (13454542253132), we get a palindrome (36589766798563).

The spelling of 23135224545431 in words is "twenty-three trillion, one hundred thirty-five billion, two hundred twenty-four million, five hundred forty-five thousand, four hundred thirty-one".