2555567423 has 4 divisors (see below), whose sum is σ = 2558076360. Its totient is φ = 2553058488.

The previous prime is 2555567387. The next prime is 2555567437. The reversal of 2555567423 is 3247655552.

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 2555567423 - 2⁸ = 2555567167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555567473) 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, 1252940 + ... + 1254977.

It is an arithmetic number, because the mean of its divisors is an integer number (639519090).

Almost surely, 2^2555567423 is an apocalyptic number.

2555567423 is a deficient number, since it is larger than the sum of its proper divisors (2508937).

2555567423 is a wasteful number, since it uses less digits than its factorization.

2555567423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508936.

The product of its digits is 1260000, while the sum is 44.

The square root of 2555567423 is about 50552.6203376244. The cubic root of 2555567423 is about 1367.1907595398.

The spelling of 2555567423 in words is "two billion, five hundred fifty-five million, five hundred sixty-seven thousand, four hundred twenty-three".