2257142423 has 8 divisors (see below), whose sum is σ = 2282143248. Its totient is φ = 2232214144.

The previous prime is 2257142401. The next prime is 2257142453. The reversal of 2257142423 is 3242417522.

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 2257142423 - 2⁶ = 2257142359 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 2257142423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257142453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45665 + ... + 81237.

It is an arithmetic number, because the mean of its divisors is an integer number (285267906).

Almost surely, 2^2257142423 is an apocalyptic number.

2257142423 is a deficient number, since it is larger than the sum of its proper divisors (25000825).

2257142423 is a wasteful number, since it uses less digits than its factorization.

2257142423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36273.

The product of its digits is 26880, while the sum is 32.

The square root of 2257142423 is about 47509.3929975957. The cubic root of 2257142423 is about 1311.7557839041.

Adding to 2257142423 its reverse (3242417522), we get a palindrome (5499559945).

The spelling of 2257142423 in words is "two billion, two hundred fifty-seven million, one hundred forty-two thousand, four hundred twenty-three".