1211313202023 has 8 divisors (see below), whose sum is σ = 1615100916736. Its totient is φ = 807533811000.

The previous prime is 1211313202007. The next prime is 1211313202031. The reversal of 1211313202023 is 3202023131121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1211313202023 - 2⁴ = 1211313202007 is a prime.

It is a super-2 number, since 2×1211313202023² (a number of 25 digits) contains 22 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 (1211313202003) 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, 1733053 + ... + 2329398.

It is an arithmetic number, because the mean of its divisors is an integer number (201887614592).

Almost surely, 2^{1211313202023} is an apocalyptic number.

1211313202023 is a deficient number, since it is larger than the sum of its proper divisors (403787714713).

1211313202023 is an equidigital number, since it uses as much as digits as its factorization.

1211313202023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4161845.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1211313202023 its reverse (3202023131121), we get a palindrome (4413336333144).

The spelling of 1211313202023 in words is "one trillion, two hundred eleven billion, three hundred thirteen million, two hundred two thousand, twenty-three".