23028659345 has 4 divisors (see below), whose sum is σ = 27634391220. Its totient is φ = 18422927472.

The previous prime is 23028659333. The next prime is 23028659347. The reversal of 23028659345 is 54395682032.

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 17677297936 + 5351361409 = 132956^2 + 73153^2 .

It is a cyclic number.

It is not a de Polignac number, because 23028659345 - 2²⁶ = 22961550481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23028659345.

It is not an unprimeable number, because it can be changed into a prime (23028659347) 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, 2302865930 + ... + 2302865939.

It is an arithmetic number, because the mean of its divisors is an integer number (6908597805).

Almost surely, 2^23028659345 is an apocalyptic number.

It is an amenable number.

23028659345 is a deficient number, since it is larger than the sum of its proper divisors (4605731875).

23028659345 is an equidigital number, since it uses as much as digits as its factorization.

23028659345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4605731874.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 23028659345 in words is "twenty-three billion, twenty-eight million, six hundred fifty-nine thousand, three hundred forty-five".