2251445423 has 8 divisors (see below), whose sum is σ = 2308518576. Its totient is φ = 2194475200.

The previous prime is 2251445393. The next prime is 2251445431. The reversal of 2251445423 is 3245441522.

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 2251445423 - 2¹² = 2251441327 is a prime.

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 2251445423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251445023) 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, 19565 + ... + 69897.

It is an arithmetic number, because the mean of its divisors is an integer number (288564822).

Almost surely, 2^2251445423 is an apocalyptic number.

2251445423 is a deficient number, since it is larger than the sum of its proper divisors (57073153).

2251445423 is a wasteful number, since it uses less digits than its factorization.

2251445423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51465.

The product of its digits is 38400, while the sum is 32.

The square root of 2251445423 is about 47449.3985525633. The cubic root of 2251445423 is about 1310.6512355497.

Adding to 2251445423 its reverse (3245441522), we get a palindrome (5496886945).

The spelling of 2251445423 in words is "two billion, two hundred fifty-one million, four hundred forty-five thousand, four hundred twenty-three".