538709023 has 2 divisors, whose sum is σ = 538709024. Its totient is φ = 538709022.

The previous prime is 538708943. The next prime is 538709027. The reversal of 538709023 is 320907835.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 538709023 - 2¹⁷ = 538577951 is a prime.

It is a super-2 number, since 2×538709023² = 580414822923229058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538709027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269354511 + 269354512.

It is an arithmetic number, because the mean of its divisors is an integer number (269354512).

Almost surely, 2^538709023 is an apocalyptic number.

538709023 is a deficient number, since it is larger than the sum of its proper divisors (1).

538709023 is an equidigital number, since it uses as much as digits as its factorization.

538709023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 538709023 is about 23210.1060531830. The cubic root of 538709023 is about 813.6758318374.

The spelling of 538709023 in words is "five hundred thirty-eight million, seven hundred nine thousand, twenty-three".