938387123 has 2 divisors, whose sum is σ = 938387124. Its totient is φ = 938387122.

The previous prime is 938387113. The next prime is 938387129. The reversal of 938387123 is 321783839.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 938387123 - 2¹⁴ = 938370739 is a prime.

It is a super-2 number, since 2×938387123² = 1761140785224434258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (938387129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469193561 + 469193562.

It is an arithmetic number, because the mean of its divisors is an integer number (469193562).

Almost surely, 2^938387123 is an apocalyptic number.

938387123 is a deficient number, since it is larger than the sum of its proper divisors (1).

938387123 is an equidigital number, since it uses as much as digits as its factorization.

938387123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 938387123 is about 30633.1050172848. The cubic root of 938387123 is about 979.0255213369.

The spelling of 938387123 in words is "nine hundred thirty-eight million, three hundred eighty-seven thousand, one hundred twenty-three".