3845123 has 2 divisors, whose sum is σ = 3845124. Its totient is φ = 3845122.

The previous prime is 3845119. The next prime is 3845143. The reversal of 3845123 is 3215483.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3845123 - 2² = 3845119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3845092 and 3845101.

It is not a weakly prime, because it can be changed into another prime (3845113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1922561 + 1922562.

It is an arithmetic number, because the mean of its divisors is an integer number (1922562).

Almost surely, 2^3845123 is an apocalyptic number.

3845123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3845123 is an equidigital number, since it uses as much as digits as its factorization.

3845123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 26.

The square root of 3845123 is about 1960.8985185368. The cubic root of 3845123 is about 156.6643131280.

The spelling of 3845123 in words is "three million, eight hundred forty-five thousand, one hundred twenty-three".