57123103 has 2 divisors, whose sum is σ = 57123104. Its totient is φ = 57123102.

The previous prime is 57123091. The next prime is 57123107. The reversal of 57123103 is 30132175.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57123103 - 2⁹ = 57122591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57123107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28561551 + 28561552.

It is an arithmetic number, because the mean of its divisors is an integer number (28561552).

Almost surely, 2^57123103 is an apocalyptic number.

57123103 is a deficient number, since it is larger than the sum of its proper divisors (1).

57123103 is an equidigital number, since it uses as much as digits as its factorization.

57123103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 57123103 is about 7557.9827335077. The cubic root of 57123103 is about 385.1269677369.

Adding to 57123103 its reverse (30132175), we get a palindrome (87255278).

The spelling of 57123103 in words is "fifty-seven million, one hundred twenty-three thousand, one hundred three".