1213522322023 has 16 divisors (see below), whose sum is σ = 1335535952256. Its totient is φ = 1093493895840.

The previous prime is 1213522322003. The next prime is 1213522322041. The reversal of 1213522322023 is 3202232253121.

It is a cyclic number.

It is not a de Polignac number, because 1213522322023 - 2¹³ = 1213522313831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1213522321982 and 1213522322000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213522322003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238465 + ... + 1576042.

It is an arithmetic number, because the mean of its divisors is an integer number (83470997016).

Almost surely, 2^{1213522322023} is an apocalyptic number.

1213522322023 is a deficient number, since it is larger than the sum of its proper divisors (122013630233).

1213522322023 is a wasteful number, since it uses less digits than its factorization.

1213522322023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815054.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 1213522322023 its reverse (3202232253121), we get a palindrome (4415754575144).

The spelling of 1213522322023 in words is "one trillion, two hundred thirteen billion, five hundred twenty-two million, three hundred twenty-two thousand, twenty-three".