384623 has 2 divisors, whose sum is σ = 384624. Its totient is φ = 384622.

The previous prime is 384619. The next prime is 384641. The reversal of 384623 is 326483.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 384623 - 2² = 384619 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 384592 and 384601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (384673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192311 + 192312.

It is an arithmetic number, because the mean of its divisors is an integer number (192312).

2³⁸⁴⁶²³ is an apocalyptic number.

384623 is the 332-nd centered heptagonal number.

384623 is a deficient number, since it is larger than the sum of its proper divisors (1).

384623 is an equidigital number, since it uses as much as digits as its factorization.

384623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 26.

The square root of 384623 is about 620.1798126350. The cubic root of 384623 is about 72.7241103265.

The spelling of 384623 in words is "three hundred eighty-four thousand, six hundred twenty-three".