12423401403 has 8 divisors (see below), whose sum is σ = 18930897408. Its totient is φ = 7099086504.

The previous prime is 12423401371. The next prime is 12423401429. The reversal of 12423401403 is 30410432421.

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

It is not a de Polignac number, because 12423401403 - 2⁵ = 12423401371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12423401443) 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, 295795251 + ... + 295795292.

It is an arithmetic number, because the mean of its divisors is an integer number (2366362176).

Almost surely, 2^12423401403 is an apocalyptic number.

12423401403 is a deficient number, since it is larger than the sum of its proper divisors (6507496005).

12423401403 is an equidigital number, since it uses as much as digits as its factorization.

12423401403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591590553.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12423401403 its reverse (30410432421), we get a palindrome (42833833824).

The spelling of 12423401403 in words is "twelve billion, four hundred twenty-three million, four hundred one thousand, four hundred three".