4200923 has 2 divisors, whose sum is σ = 4200924. Its totient is φ = 4200922.

The previous prime is 4200883. The next prime is 4200941. The reversal of 4200923 is 3290024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4200923 - 2²² = 6619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4200895 and 4200904.

It is not a weakly prime, because it can be changed into another prime (4200953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100461 + 2100462.

It is an arithmetic number, because the mean of its divisors is an integer number (2100462).

Almost surely, 2^4200923 is an apocalyptic number.

4200923 is a deficient number, since it is larger than the sum of its proper divisors (1).

4200923 is an equidigital number, since it uses as much as digits as its factorization.

4200923 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 4200923 is about 2049.6153297631. The cubic root of 4200923 is about 161.3546827419.

Adding to 4200923 its reverse (3290024), we get a palindrome (7490947).

The spelling of 4200923 in words is "four million, two hundred thousand, nine hundred twenty-three".