538454123 has 2 divisors, whose sum is σ = 538454124. Its totient is φ = 538454122.

The previous prime is 538454113. The next prime is 538454171. The reversal of 538454123 is 321454835.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538454123 is a prime.

It is not a weakly prime, because it can be changed into another prime (538454113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269227061 + 269227062.

It is an arithmetic number, because the mean of its divisors is an integer number (269227062).

Almost surely, 2^538454123 is an apocalyptic number.

538454123 is a deficient number, since it is larger than the sum of its proper divisors (1).

538454123 is an equidigital number, since it uses as much as digits as its factorization.

538454123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 35.

The square root of 538454123 is about 23204.6142609611. The cubic root of 538454123 is about 813.5474764038.

The spelling of 538454123 in words is "five hundred thirty-eight million, four hundred fifty-four thousand, one hundred twenty-three".