23228534293 has 4 divisors (see below), whose sum is σ = 23229080908. Its totient is φ = 23227987680.

The previous prime is 23228534281. The next prime is 23228534327. The reversal of 23228534293 is 39243582232.

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 15473618449 + 7754915844 = 124393^2 + 88062^2 .

It is a cyclic number.

It is not a de Polignac number, because 23228534293 - 2²¹ = 23226437141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23228534213) 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, 203646 + ... + 296527.

It is an arithmetic number, because the mean of its divisors is an integer number (5807270227).

Almost surely, 2^23228534293 is an apocalyptic number.

It is an amenable number.

23228534293 is a deficient number, since it is larger than the sum of its proper divisors (546615).

23228534293 is an equidigital number, since it uses as much as digits as its factorization.

23228534293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546614.

The product of its digits is 622080, while the sum is 43.

The spelling of 23228534293 in words is "twenty-three billion, two hundred twenty-eight million, five hundred thirty-four thousand, two hundred ninety-three".