23325278401 has 4 divisors (see below), whose sum is σ = 23335077204. Its totient is φ = 23315479600.

The previous prime is 23325278381. The next prime is 23325278407. The reversal of 23325278401 is 10487252332.

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 3941956225 + 19383322176 = 62785^2 + 139224^2 .

It is a cyclic number.

It is not a de Polignac number, because 23325278401 - 2²¹ = 23323181249 is a prime.

It is a super-2 number, since 2×23325278401² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23325278407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4895830 + ... + 4900591.

It is an arithmetic number, because the mean of its divisors is an integer number (5833769301).

Almost surely, 2^23325278401 is an apocalyptic number.

It is an amenable number.

23325278401 is a deficient number, since it is larger than the sum of its proper divisors (9798803).

23325278401 is an equidigital number, since it uses as much as digits as its factorization.

23325278401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9798802.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 23325278401 in words is "twenty-three billion, three hundred twenty-five million, two hundred seventy-eight thousand, four hundred one".