12023231503 has 2 divisors, whose sum is σ = 12023231504. Its totient is φ = 12023231502.

The previous prime is 12023231477. The next prime is 12023231537. The reversal of 12023231503 is 30513232021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12023231503 is a prime.

It is a super-3 number, since 3×12023231503³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12023231543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011615751 + 6011615752.

It is an arithmetic number, because the mean of its divisors is an integer number (6011615752).

Almost surely, 2^12023231503 is an apocalyptic number.

12023231503 is a deficient number, since it is larger than the sum of its proper divisors (1).

12023231503 is an equidigital number, since it uses as much as digits as its factorization.

12023231503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 12023231503 its reverse (30513232021), we get a palindrome (42536463524).

The spelling of 12023231503 in words is "twelve billion, twenty-three million, two hundred thirty-one thousand, five hundred three".