2256351342423 has 8 divisors (see below), whose sum is σ = 3020951729136. Its totient is φ = 1497992592000.

The previous prime is 2256351342407. The next prime is 2256351342431. The reversal of 2256351342423 is 3242431536522.

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

It is not a de Polignac number, because 2256351342423 - 2⁴ = 2256351342407 is a prime.

It is a super-2 number, since 2×2256351342423² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256351342403) 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, 1560408228 + ... + 1560409673.

It is an arithmetic number, because the mean of its divisors is an integer number (377618966142).

Almost surely, 2^{2256351342423} is an apocalyptic number.

2256351342423 is a deficient number, since it is larger than the sum of its proper divisors (764600386713).

2256351342423 is a wasteful number, since it uses less digits than its factorization.

2256351342423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120818145.

The product of its digits is 1036800, while the sum is 42.

Adding to 2256351342423 its reverse (3242431536522), we get a palindrome (5498782878945).

The spelling of 2256351342423 in words is "two trillion, two hundred fifty-six billion, three hundred fifty-one million, three hundred forty-two thousand, four hundred twenty-three".