384136723 has 2 divisors, whose sum is σ = 384136724. Its totient is φ = 384136722.

The previous prime is 384136693. The next prime is 384136729. The reversal of 384136723 is 327631483.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 384136723 - 2⁹ = 384136211 is a prime.

It is a super-2 number, since 2×384136723² = 295122043914357458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (384136729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192068361 + 192068362.

It is an arithmetic number, because the mean of its divisors is an integer number (192068362).

Almost surely, 2^384136723 is an apocalyptic number.

384136723 is a deficient number, since it is larger than the sum of its proper divisors (1).

384136723 is an equidigital number, since it uses as much as digits as its factorization.

384136723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 37.

The square root of 384136723 is about 19599.4061899844. The cubic root of 384136723 is about 726.9344915421.

The spelling of 384136723 in words is "three hundred eighty-four million, one hundred thirty-six thousand, seven hundred twenty-three".