23420517235 has 8 divisors (see below), whose sum is σ = 28106590176. Its totient is φ = 18735100800.

The previous prime is 23420517227. The next prime is 23420517251. The reversal of 23420517235 is 53271502432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23420517235 - 2³ = 23420517227 is a prime.

It is a super-3 number, since 3×23420517235³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23420517235.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 81894 + ... + 231403.

It is an arithmetic number, because the mean of its divisors is an integer number (3513323772).

Almost surely, 2^23420517235 is an apocalyptic number.

23420517235 is a deficient number, since it is larger than the sum of its proper divisors (4686072941).

23420517235 is a wasteful number, since it uses less digits than its factorization.

23420517235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328253.

The product of its (nonzero) digits is 50400, while the sum is 34.

The spelling of 23420517235 in words is "twenty-three billion, four hundred twenty million, five hundred seventeen thousand, two hundred thirty-five".