12402123 has 8 divisors (see below), whose sum is σ = 16554048. Its totient is φ = 8259144.

The previous prime is 12402113. The next prime is 12402133. The reversal of 12402123 is 32120421.

12402123 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12402113) and next prime (12402133).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12402123 - 2⁶ = 12402059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12402113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2340 + ... + 5502.

It is an arithmetic number, because the mean of its divisors is an integer number (2069256).

Almost surely, 2^12402123 is an apocalyptic number.

12402123 is a deficient number, since it is larger than the sum of its proper divisors (4151925).

12402123 is a wasteful number, since it uses less digits than its factorization.

12402123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12402123 is about 3521.6648051738. The cubic root of 12402123 is about 231.4721140337.

Adding to 12402123 its reverse (32120421), we get a palindrome (44522544).

The spelling of 12402123 in words is "twelve million, four hundred two thousand, one hundred twenty-three".