221231232033023 has 12 divisors (see below), whose sum is σ = 232659777402360. Its totient is φ = 210246148802592.

The previous prime is 221231232033017. The next prime is 221231232033029. The reversal of 221231232033023 is 320330232132122.

It is an interprime number because it is at equal distance from previous prime (221231232033017) and next prime (221231232033029).

It is not a de Polignac number, because 221231232033023 - 2⁶ = 221231232032959 is a prime.

It is a super-3 number, since 3×221231232033023³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221231232033029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1879017968 + ... + 1879135701.

It is an arithmetic number, because the mean of its divisors is an integer number (19388314783530).

Almost surely, 2^{221231232033023} is an apocalyptic number.

221231232033023 is a deficient number, since it is larger than the sum of its proper divisors (11428545369337).

221231232033023 is an equidigital number, since it uses as much as digits as its factorization.

221231232033023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3758153786 (or 3758153749 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 221231232033023 its reverse (320330232132122), we get a palindrome (541561464165145).

Subtracting 221231232033023 from its reverse (320330232132122), we obtain a palindrome (99099000099099).

The spelling of 221231232033023 in words is "two hundred twenty-one trillion, two hundred thirty-one billion, two hundred thirty-two million, thirty-three thousand, twenty-three".