2245616123 has 4 divisors (see below), whose sum is σ = 2267850048. Its totient is φ = 2223382200.

The previous prime is 2245616089. The next prime is 2245616129. The reversal of 2245616123 is 3216165422.

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 2245616123 - 2¹² = 2245612027 is a prime.

It is a super-2 number, since 2×2245616123² = 10085583543755102258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2245616123.

It is not an unprimeable number, because it can be changed into a prime (2245616129) 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, 11116811 + ... + 11117012.

It is an arithmetic number, because the mean of its divisors is an integer number (566962512).

Almost surely, 2^2245616123 is an apocalyptic number.

2245616123 is a deficient number, since it is larger than the sum of its proper divisors (22233925).

2245616123 is a wasteful number, since it uses less digits than its factorization.

2245616123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22233924.

The product of its digits is 17280, while the sum is 32.

The square root of 2245616123 is about 47387.9322507324. The cubic root of 2245616123 is about 1309.5191061639.

The spelling of 2245616123 in words is "two billion, two hundred forty-five million, six hundred sixteen thousand, one hundred twenty-three".