57071123 has 2 divisors, whose sum is σ = 57071124. Its totient is φ = 57071122.

The previous prime is 57071111. The next prime is 57071153. The reversal of 57071123 is 32117075.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57071123 - 2⁶ = 57071059 is a prime.

It is a super-2 number, since 2×57071123² = 6514226160962258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57071092 and 57071101.

It is not a weakly prime, because it can be changed into another prime (57071153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28535561 + 28535562.

It is an arithmetic number, because the mean of its divisors is an integer number (28535562).

Almost surely, 2^57071123 is an apocalyptic number.

57071123 is a deficient number, since it is larger than the sum of its proper divisors (1).

57071123 is an equidigital number, since it uses as much as digits as its factorization.

57071123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 57071123 is about 7554.5432026033. The cubic root of 57071123 is about 385.0101149870.

Adding to 57071123 its reverse (32117075), we get a palindrome (89188198).

The spelling of 57071123 in words is "fifty-seven million, seventy-one thousand, one hundred twenty-three".