23135224545553 has 4 divisors (see below), whose sum is σ = 23760500884660. Its totient is φ = 22509948206448.

The previous prime is 23135224545533. The next prime is 23135224545583. The reversal of 23135224545553 is 35554542253132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21883618508049 + 1251606037504 = 4677993^2 + 1118752^2 .

It is a cyclic number.

It is not a de Polignac number, because 23135224545553 - 2¹³ = 23135224537361 is a prime.

It is a super-2 number, since 2×23135224545553² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23135224545497 and 23135224545506.

It is not an unprimeable number, because it can be changed into a prime (23135224545533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312638169498 + ... + 312638169571.

It is an arithmetic number, because the mean of its divisors is an integer number (5940125221165).

Almost surely, 2^{23135224545553} is an apocalyptic number.

It is an amenable number.

23135224545553 is a deficient number, since it is larger than the sum of its proper divisors (625276339107).

23135224545553 is an equidigital number, since it uses as much as digits as its factorization.

23135224545553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625276339106.

The product of its digits is 10800000, while the sum is 49.

Adding to 23135224545553 its reverse (35554542253132), we get a palindrome (58689766798685).

The spelling of 23135224545553 in words is "twenty-three trillion, one hundred thirty-five billion, two hundred twenty-four million, five hundred forty-five thousand, five hundred fifty-three".