338916923 has 2 divisors, whose sum is σ = 338916924. Its totient is φ = 338916922.

The previous prime is 338916901. The next prime is 338916943. The reversal of 338916923 is 329619833.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 338916923 - 2⁸ = 338916667 is a prime.

It is a super-2 number, since 2×338916923² = 229729361391575858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (338916943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169458461 + 169458462.

It is an arithmetic number, because the mean of its divisors is an integer number (169458462).

Almost surely, 2^338916923 is an apocalyptic number.

338916923 is a deficient number, since it is larger than the sum of its proper divisors (1).

338916923 is an equidigital number, since it uses as much as digits as its factorization.

338916923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 44.

The square root of 338916923 is about 18409.6964396483. The cubic root of 338916923 is about 697.2113015821.

The spelling of 338916923 in words is "three hundred thirty-eight million, nine hundred sixteen thousand, nine hundred twenty-three".