12023020403 has 8 divisors (see below), whose sum is σ = 12049621248. Its totient is φ = 11996445384.

The previous prime is 12023020337. The next prime is 12023020417. The reversal of 12023020403 is 30402032021.

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

It is a cyclic number.

It is not a de Polignac number, because 12023020403 - 2⁸ = 12023020147 is a prime.

It is a super-2 number, since 2×12023020403² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12023028403) 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, 1141226 + ... + 1151712.

It is an arithmetic number, because the mean of its divisors is an integer number (1506202656).

Almost surely, 2^12023020403 is an apocalyptic number.

12023020403 is a deficient number, since it is larger than the sum of its proper divisors (26600845).

12023020403 is a wasteful number, since it uses less digits than its factorization.

12023020403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12913.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 12023020403 its reverse (30402032021), we get a palindrome (42425052424).

The spelling of 12023020403 in words is "twelve billion, twenty-three million, twenty thousand, four hundred three".