23255322421 has 8 divisors (see below), whose sum is σ = 24012290304. Its totient is φ = 22498779360.

The previous prime is 23255322407. The next prime is 23255322443. The reversal of 23255322421 is 12422355232.

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

It is a cyclic number.

It is not a de Polignac number, because 23255322421 - 2²¹ = 23253225269 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23255322481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6990 + ... + 215776.

It is an arithmetic number, because the mean of its divisors is an integer number (3001536288).

Almost surely, 2^23255322421 is an apocalyptic number.

It is an amenable number.

23255322421 is a deficient number, since it is larger than the sum of its proper divisors (756967883).

23255322421 is a wasteful number, since it uses less digits than its factorization.

23255322421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212411.

The product of its digits is 28800, while the sum is 31.

Adding to 23255322421 its reverse (12422355232), we get a palindrome (35677677653).

The spelling of 23255322421 in words is "twenty-three billion, two hundred fifty-five million, three hundred twenty-two thousand, four hundred twenty-one".