23055985445 has 4 divisors (see below), whose sum is σ = 27667182540. Its totient is φ = 18444788352.

The previous prime is 23055985373. The next prime is 23055985453. The reversal of 23055985445 is 54458955032.

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 6994478689 + 16061506756 = 83633^2 + 126734^2 .

It is a cyclic number.

It is not a de Polignac number, because 23055985445 - 2⁸ = 23055985189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23055985393 and 23055985402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2305598540 + ... + 2305598549.

It is an arithmetic number, because the mean of its divisors is an integer number (6916795635).

Almost surely, 2^23055985445 is an apocalyptic number.

It is an amenable number.

23055985445 is a deficient number, since it is larger than the sum of its proper divisors (4611197095).

23055985445 is an equidigital number, since it uses as much as digits as its factorization.

23055985445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4611197094.

The product of its (nonzero) digits is 4320000, while the sum is 50.

The spelling of 23055985445 in words is "twenty-three billion, fifty-five million, nine hundred eighty-five thousand, four hundred forty-five".