23106045649 has 4 divisors (see below), whose sum is σ = 23669607780. Its totient is φ = 22542483520.

The previous prime is 23106045623. The next prime is 23106045653. The reversal of 23106045649 is 94654060132.

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 382593600 + 22723452049 = 19560^2 + 150743^2 .

It is a cyclic number.

It is not a de Polignac number, because 23106045649 - 2¹¹ = 23106043601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23106045049) 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, 281781004 + ... + 281781085.

It is an arithmetic number, because the mean of its divisors is an integer number (5917401945).

Almost surely, 2^23106045649 is an apocalyptic number.

It is an amenable number.

23106045649 is a deficient number, since it is larger than the sum of its proper divisors (563562131).

23106045649 is an equidigital number, since it uses as much as digits as its factorization.

23106045649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563562130.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 23106045649 in words is "twenty-three billion, one hundred six million, forty-five thousand, six hundred forty-nine".