2556132423 has 16 divisors (see below), whose sum is σ = 3673184256. Its totient is φ = 1571787360.

The previous prime is 2556132407. The next prime is 2556132431. The reversal of 2556132423 is 3242316552.

It is a happy number.

It is not a de Polignac number, because 2556132423 - 2⁴ = 2556132407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556132323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27058 + ... + 76448.

It is an arithmetic number, because the mean of its divisors is an integer number (229574016).

Almost surely, 2^2556132423 is an apocalyptic number.

2556132423 is a deficient number, since it is larger than the sum of its proper divisors (1117051833).

2556132423 is a wasteful number, since it uses less digits than its factorization.

2556132423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50734.

The product of its digits is 43200, while the sum is 33.

The square root of 2556132423 is about 50558.2082653252. The cubic root of 2556132423 is about 1367.2915076623.

Adding to 2556132423 its reverse (3242316552), we get a palindrome (5798448975).

The spelling of 2556132423 in words is "two billion, five hundred fifty-six million, one hundred thirty-two thousand, four hundred twenty-three".