23278026241 has 4 divisors (see below), whose sum is σ = 23305316692. Its totient is φ = 23250735792.

The previous prime is 23278026227. The next prime is 23278026257. The reversal of 23278026241 is 14262087232.

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 6723344016 + 16554682225 = 81996^2 + 128665^2 .

It is a cyclic number.

It is not a de Polignac number, because 23278026241 - 2¹⁷ = 23277895169 is a prime.

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 23278026241.

It is not an unprimeable number, because it can be changed into a prime (23278026281) 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, 13643946 + ... + 13645651.

It is an arithmetic number, because the mean of its divisors is an integer number (5826329173).

Almost surely, 2^23278026241 is an apocalyptic number.

It is an amenable number.

23278026241 is a deficient number, since it is larger than the sum of its proper divisors (27290451).

23278026241 is an equidigital number, since it uses as much as digits as its factorization.

23278026241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27290450.

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 23278026241 in words is "twenty-three billion, two hundred seventy-eight million, twenty-six thousand, two hundred forty-one".