2557037423 has 4 divisors (see below), whose sum is σ = 2691618360. Its totient is φ = 2422456488.

The previous prime is 2557037407. The next prime is 2557037501. The reversal of 2557037423 is 3247307552.

It is a happy number.

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 2557037423 - 2⁴ = 2557037407 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 (2557037023) 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 3 ways as a sum of consecutive naturals, for example, 67290440 + ... + 67290477.

It is an arithmetic number, because the mean of its divisors is an integer number (672904590).

Almost surely, 2^2557037423 is an apocalyptic number.

2557037423 is a deficient number, since it is larger than the sum of its proper divisors (134580937).

2557037423 is a wasteful number, since it uses less digits than its factorization.

2557037423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134580936.

The product of its (nonzero) digits is 176400, while the sum is 38.

The square root of 2557037423 is about 50567.1575530996. The cubic root of 2557037423 is about 1367.4528520431.

The spelling of 2557037423 in words is "two billion, five hundred fifty-seven million, thirty-seven thousand, four hundred twenty-three".