57123113 has 4 divisors (see below), whose sum is σ = 57182208. Its totient is φ = 57064020.

The previous prime is 57123107. The next prime is 57123167. The reversal of 57123113 is 31132175.

57123113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57123113 - 2¹² = 57119017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57123103) 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 3 ways as a sum of consecutive naturals, for example, 28073 + ... + 30038.

It is an arithmetic number, because the mean of its divisors is an integer number (14295552).

Almost surely, 2^57123113 is an apocalyptic number.

It is an amenable number.

57123113 is a deficient number, since it is larger than the sum of its proper divisors (59095).

57123113 is an equidigital number, since it uses as much as digits as its factorization.

57123113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59094.

The product of its digits is 630, while the sum is 23.

The square root of 57123113 is about 7557.9833950598. The cubic root of 57123113 is about 385.1269902104.

Adding to 57123113 its reverse (31132175), we get a palindrome (88255288).

The spelling of 57123113 in words is "fifty-seven million, one hundred twenty-three thousand, one hundred thirteen".