2265442065623 has 8 divisors (see below), whose sum is σ = 2489171139840. Its totient is φ = 2044676290680.

The previous prime is 2265442065563. The next prime is 2265442065661. The reversal of 2265442065623 is 3265602445622.

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

It is a cyclic number.

It is not a de Polignac number, because 2265442065623 - 2¹⁸ = 2265441803479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265442065683) 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, 740823215 + ... + 740826272.

It is an arithmetic number, because the mean of its divisors is an integer number (311146392480).

Almost surely, 2^{2265442065623} is an apocalyptic number.

2265442065623 is a deficient number, since it is larger than the sum of its proper divisors (223729074217).

2265442065623 is a wasteful number, since it uses less digits than its factorization.

2265442065623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481649637.

The product of its (nonzero) digits is 4147200, while the sum is 47.

The spelling of 2265442065623 in words is "two trillion, two hundred sixty-five billion, four hundred forty-two million, sixty-five thousand, six hundred twenty-three".