384998923 has 2 divisors, whose sum is σ = 384998924. Its totient is φ = 384998922.

The previous prime is 384998921. The next prime is 384998927. The reversal of 384998923 is 329899483.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 384998923 - 2¹ = 384998921 is a prime.

It is a super-2 number, since 2×384998923² = 296448341422319858, which contains 22 as substring.

Together with 384998921, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (384998921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192499461 + 192499462.

It is an arithmetic number, because the mean of its divisors is an integer number (192499462).

Almost surely, 2^384998923 is an apocalyptic number.

384998923 is a deficient number, since it is larger than the sum of its proper divisors (1).

384998923 is an equidigital number, since it uses as much as digits as its factorization.

384998923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3359232, while the sum is 55.

The square root of 384998923 is about 19621.3894258281. The cubic root of 384998923 is about 727.4779565283.

The spelling of 384998923 in words is "three hundred eighty-four million, nine hundred ninety-eight thousand, nine hundred twenty-three".