23431223112203 has 2 divisors, whose sum is σ = 23431223112204. Its totient is φ = 23431223112202.

The previous prime is 23431223112191. The next prime is 23431223112221. The reversal of 23431223112203 is 30221132213432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23431223112203 - 2³⁰ = 23430149370379 is a prime.

It is a super-2 number, since 2×23431223112203² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23431223112223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11715611556101 + 11715611556102.

It is an arithmetic number, because the mean of its divisors is an integer number (11715611556102).

Almost surely, 2^{23431223112203} is an apocalyptic number.

23431223112203 is a deficient number, since it is larger than the sum of its proper divisors (1).

23431223112203 is an equidigital number, since it uses as much as digits as its factorization.

23431223112203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 23431223112203 its reverse (30221132213432), we get a palindrome (53652355325635).

The spelling of 23431223112203 in words is "twenty-three trillion, four hundred thirty-one billion, two hundred twenty-three million, one hundred twelve thousand, two hundred three".