1001213235223 has 4 divisors (see below), whose sum is σ = 1003134950208. Its totient is φ = 999291520240.

The previous prime is 1001213235163. The next prime is 1001213235233. The reversal of 1001213235223 is 3225323121001.

1001213235223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1001213235223 - 2³⁷ = 863774281751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001213235233) 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, 960856711 + ... + 960857752.

It is an arithmetic number, because the mean of its divisors is an integer number (250783737552).

Almost surely, 2^{1001213235223} is an apocalyptic number.

1001213235223 is a deficient number, since it is larger than the sum of its proper divisors (1921714985).

1001213235223 is an equidigital number, since it uses as much as digits as its factorization.

1001213235223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921714984.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 1001213235223 its reverse (3225323121001), we get a palindrome (4226536356224).

The spelling of 1001213235223 in words is "one trillion, one billion, two hundred thirteen million, two hundred thirty-five thousand, two hundred twenty-three".