938605823 has 2 divisors, whose sum is σ = 938605824. Its totient is φ = 938605822.

The previous prime is 938605799. The next prime is 938605831. The reversal of 938605823 is 328506839.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 938605823 - 2¹⁴ = 938589439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (938605123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469302911 + 469302912.

It is an arithmetic number, because the mean of its divisors is an integer number (469302912).

Almost surely, 2^938605823 is an apocalyptic number.

938605823 is a deficient number, since it is larger than the sum of its proper divisors (1).

938605823 is an equidigital number, since it uses as much as digits as its factorization.

938605823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 938605823 is about 30636.6744768423. The cubic root of 938605823 is about 979.1015724835.

The spelling of 938605823 in words is "nine hundred thirty-eight million, six hundred five thousand, eight hundred twenty-three".