50857123 has 2 divisors, whose sum is σ = 50857124. Its totient is φ = 50857122.

The previous prime is 50857073. The next prime is 50857139. The reversal of 50857123 is 32175805.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50857123 is a prime.

It is not a weakly prime, because it can be changed into another prime (50857153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25428561 + 25428562.

It is an arithmetic number, because the mean of its divisors is an integer number (25428562).

Almost surely, 2^50857123 is an apocalyptic number.

50857123 is a deficient number, since it is larger than the sum of its proper divisors (1).

50857123 is an equidigital number, since it uses as much as digits as its factorization.

50857123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 50857123 is about 7131.4180216840. The cubic root of 50857123 is about 370.4963462832.

The spelling of 50857123 in words is "fifty million, eight hundred fifty-seven thousand, one hundred twenty-three".