57030223 has 16 divisors (see below), whose sum is σ = 62239104. Its totient is φ = 52049920.

The previous prime is 57030187. The next prime is 57030227. The reversal of 57030223 is 32203075.

It is a happy number.

It is not a de Polignac number, because 57030223 - 2⁹ = 57029711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57030194 and 57030203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57030227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109203 + ... + 109723.

It is an arithmetic number, because the mean of its divisors is an integer number (3889944).

Almost surely, 2^57030223 is an apocalyptic number.

57030223 is a deficient number, since it is larger than the sum of its proper divisors (5208881).

57030223 is a wasteful number, since it uses less digits than its factorization.

57030223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 57030223 is about 7551.8357370907. The cubic root of 57030223 is about 384.9181205535.

Adding to 57030223 its reverse (32203075), we get a palindrome (89233298).

The spelling of 57030223 in words is "fifty-seven million, thirty thousand, two hundred twenty-three".