1123212222023 has 8 divisors (see below), whose sum is σ = 1176189053568. Its totient is φ = 1070580516984.

The previous prime is 1123212222019. The next prime is 1123212222029. The reversal of 1123212222023 is 3202222123211.

It is a happy number.

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 1123212222023 - 2² = 1123212222019 is a prime.

It is a super-4 number, since 4×1123212222023⁴ (a number of 49 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123212222023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123212222029) 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, 86274965 + ... + 86287982.

It is an arithmetic number, because the mean of its divisors is an integer number (147023631696).

Almost surely, 2^{1123212222023} is an apocalyptic number.

1123212222023 is a deficient number, since it is larger than the sum of its proper divisors (52976831545).

1123212222023 is a wasteful number, since it uses less digits than its factorization.

1123212222023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172563253.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1123212222023 its reverse (3202222123211), we get a palindrome (4325434345234).

The spelling of 1123212222023 in words is "one trillion, one hundred twenty-three billion, two hundred twelve million, two hundred twenty-two thousand, twenty-three".