10420123 has 12 divisors (see below), whose sum is σ = 12313200. Its totient is φ = 8637840.

The previous prime is 10420103. The next prime is 10420129. The reversal of 10420123 is 32102401.

It is not a de Polignac number, because 10420123 - 2⁹ = 10419611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10420129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5953 + ... + 7501.

It is an arithmetic number, because the mean of its divisors is an integer number (1026100).

Almost surely, 2^10420123 is an apocalyptic number.

10420123 is a deficient number, since it is larger than the sum of its proper divisors (1893077).

10420123 is an equidigital number, since it uses as much as digits as its factorization.

10420123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618 (or 1587 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 10420123 is about 3228.0215302876. The cubic root of 10420123 is about 218.4192685952.

Adding to 10420123 its reverse (32102401), we get a palindrome (42522524).

The spelling of 10420123 in words is "ten million, four hundred twenty thousand, one hundred twenty-three".