57030423 has 4 divisors (see below), whose sum is σ = 76040568. Its totient is φ = 38020280.

The previous prime is 57030397. The next prime is 57030437. The reversal of 57030423 is 32403075.

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 57030423 - 2¹⁷ = 56899351 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57030393 and 57030402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57030473) 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, 9505068 + ... + 9505073.

It is an arithmetic number, because the mean of its divisors is an integer number (19010142).

Almost surely, 2^57030423 is an apocalyptic number.

57030423 is a deficient number, since it is larger than the sum of its proper divisors (19010145).

57030423 is a wasteful number, since it uses less digits than its factorization.

57030423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19010144.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 57030423 is about 7551.8489788925. The cubic root of 57030423 is about 384.9185705111.

Adding to 57030423 its reverse (32403075), we get a palindrome (89433498).

The spelling of 57030423 in words is "fifty-seven million, thirty thousand, four hundred twenty-three".