4002923 has 2 divisors, whose sum is σ = 4002924. Its totient is φ = 4002922.

The previous prime is 4002917. The next prime is 4002949. The reversal of 4002923 is 3292004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4002923 - 2⁴ = 4002907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4002895 and 4002904.

It is not a weakly prime, because it can be changed into another prime (4002983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001461 + 2001462.

It is an arithmetic number, because the mean of its divisors is an integer number (2001462).

Almost surely, 2^4002923 is an apocalyptic number.

4002923 is a deficient number, since it is larger than the sum of its proper divisors (1).

4002923 is an equidigital number, since it uses as much as digits as its factorization.

4002923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 4002923 is about 2000.7306165499. The cubic root of 4002923 is about 158.7787622261.

Adding to 4002923 its reverse (3292004), we get a palindrome (7294927).

The spelling of 4002923 in words is "four million, two thousand, nine hundred twenty-three".