2256653144623 has 4 divisors (see below), whose sum is σ = 2256897883608. Its totient is φ = 2256408405640.

The previous prime is 2256653144621. The next prime is 2256653144639. The reversal of 2256653144623 is 3264413566522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2256653144623 - 2¹ = 2256653144621 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 (2256653144621) 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, 122355661 + ... + 122374102.

It is an arithmetic number, because the mean of its divisors is an integer number (564224470902).

Almost surely, 2^{2256653144623} is an apocalyptic number.

2256653144623 is a deficient number, since it is larger than the sum of its proper divisors (244738985).

2256653144623 is an equidigital number, since it uses as much as digits as its factorization.

2256653144623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244738984.

The product of its digits is 6220800, while the sum is 49.

The spelling of 2256653144623 in words is "two trillion, two hundred fifty-six billion, six hundred fifty-three million, one hundred forty-four thousand, six hundred twenty-three".