23420503344535 has 32 divisors (see below), whose sum is σ = 32326929573120. Its totient is φ = 16109764704000.

The previous prime is 23420503344521. The next prime is 23420503344541. The reversal of 23420503344535 is 53544330502432.

It is a happy number.

It is not a de Polignac number, because 23420503344535 - 2⁵ = 23420503344503 is a prime.

It is a super-2 number, since 2×23420503344535² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23420503344491 and 23420503344500.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 18017517 + ... + 19273606.

It is an arithmetic number, because the mean of its divisors is an integer number (1010216549160).

Almost surely, 2^{23420503344535} is an apocalyptic number.

23420503344535 is a deficient number, since it is larger than the sum of its proper divisors (8906426228585).

23420503344535 is a wasteful number, since it uses less digits than its factorization.

23420503344535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37291759.

The product of its (nonzero) digits is 2592000, while the sum is 43.

Adding to 23420503344535 its reverse (53544330502432), we get a palindrome (76964833846967).

The spelling of 23420503344535 in words is "twenty-three trillion, four hundred twenty billion, five hundred three million, three hundred forty-four thousand, five hundred thirty-five".