2265616645323 has 8 divisors (see below), whose sum is σ = 3036638017536. Its totient is φ = 1502503185000.

The previous prime is 2265616645321. The next prime is 2265616645343. The reversal of 2265616645323 is 3235466165622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2265616645323 - 2¹ = 2265616645321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2265616645321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1976977303 + ... + 1976978448.

It is an arithmetic number, because the mean of its divisors is an integer number (379579752192).

Almost surely, 2^{2265616645323} is an apocalyptic number.

2265616645323 is a deficient number, since it is larger than the sum of its proper divisors (771021372213).

2265616645323 is a wasteful number, since it uses less digits than its factorization.

2265616645323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953955945.

The product of its digits is 9331200, while the sum is 51.

The spelling of 2265616645323 in words is "two trillion, two hundred sixty-five billion, six hundred sixteen million, six hundred forty-five thousand, three hundred twenty-three".