2231211223023 has 4 divisors (see below), whose sum is σ = 2974948297368. Its totient is φ = 1487474148680.

The previous prime is 2231211223019. The next prime is 2231211223037. The reversal of 2231211223023 is 3203221121322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2231211223023 - 2² = 2231211223019 is a prime.

It is a super-3 number, since 3×2231211223023³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231211222984 and 2231211223002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231211223063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371868537168 + ... + 371868537173.

It is an arithmetic number, because the mean of its divisors is an integer number (743737074342).

Almost surely, 2^{2231211223023} is an apocalyptic number.

2231211223023 is a deficient number, since it is larger than the sum of its proper divisors (743737074345).

2231211223023 is an equidigital number, since it uses as much as digits as its factorization.

2231211223023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743737074344.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2231211223023 its reverse (3203221121322), we get a palindrome (5434432344345).

The spelling of 2231211223023 in words is "two trillion, two hundred thirty-one billion, two hundred eleven million, two hundred twenty-three thousand, twenty-three".