23035772645 has 4 divisors (see below), whose sum is σ = 27642927180. Its totient is φ = 18428618112.

The previous prime is 23035772629. The next prime is 23035772647. The reversal of 23035772645 is 54627753032.

It is a happy number.

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 16494521761 + 6541250884 = 128431^2 + 80878^2 .

It is a cyclic number.

It is not a de Polignac number, because 23035772645 - 2⁴ = 23035772629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23035772596 and 23035772605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23035772647) 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, 2303577260 + ... + 2303577269.

It is an arithmetic number, because the mean of its divisors is an integer number (6910731795).

Almost surely, 2^23035772645 is an apocalyptic number.

It is an amenable number.

23035772645 is a deficient number, since it is larger than the sum of its proper divisors (4607154535).

23035772645 is an equidigital number, since it uses as much as digits as its factorization.

23035772645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4607154534.

The product of its (nonzero) digits is 1058400, while the sum is 44.

The spelling of 23035772645 in words is "twenty-three billion, thirty-five million, seven hundred seventy-two thousand, six hundred forty-five".