538472923 has 2 divisors, whose sum is σ = 538472924. Its totient is φ = 538472922.

The previous prime is 538472897. The next prime is 538472933. The reversal of 538472923 is 329274835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 538472923 - 2⁹ = 538472411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 538472923.

It is not a weakly prime, because it can be changed into another prime (538472933) 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 as a sum of consecutive naturals, namely, 269236461 + 269236462.

It is an arithmetic number, because the mean of its divisors is an integer number (269236462).

Almost surely, 2^538472923 is an apocalyptic number.

538472923 is a deficient number, since it is larger than the sum of its proper divisors (1).

538472923 is an equidigital number, since it uses as much as digits as its factorization.

538472923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 43.

The square root of 538472923 is about 23205.0193492701. The cubic root of 538472923 is about 813.5569445670.

The spelling of 538472923 in words is "five hundred thirty-eight million, four hundred seventy-two thousand, nine hundred twenty-three".