2057642423 has 8 divisors (see below), whose sum is σ = 2163492480. Its totient is φ = 1954118880.

The previous prime is 2057642417. The next prime is 2057642429. The reversal of 2057642423 is 3242467502.

It is an interprime number because it is at equal distance from previous prime (2057642417) and next prime (2057642429).

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 2057642423 - 2²⁴ = 2040865207 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 (2057642429) 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 7 ways as a sum of consecutive naturals, for example, 579815 + ... + 583352.

It is an arithmetic number, because the mean of its divisors is an integer number (270436560).

Almost surely, 2^2057642423 is an apocalyptic number.

2057642423 is a deficient number, since it is larger than the sum of its proper divisors (105850057).

2057642423 is a wasteful number, since it uses less digits than its factorization.

2057642423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163257.

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 2057642423 is about 45361.2436227227. The cubic root of 2057642423 is about 1271.9107417211.

The spelling of 2057642423 in words is "two billion, fifty-seven million, six hundred forty-two thousand, four hundred twenty-three".