1001011233323 has 4 divisors (see below), whose sum is σ = 1015951699560. Its totient is φ = 986070767088.

The previous prime is 1001011233319. The next prime is 1001011233329. The reversal of 1001011233323 is 3233321101001.

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 1001011233323 - 2² = 1001011233319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001011233295 and 1001011233304.

It is not an unprimeable number, because it can be changed into a prime (1001011233329) 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, 7470233018 + ... + 7470233151.

It is an arithmetic number, because the mean of its divisors is an integer number (253987924890).

Almost surely, 2^{1001011233323} is an apocalyptic number.

1001011233323 is a deficient number, since it is larger than the sum of its proper divisors (14940466237).

1001011233323 is an equidigital number, since it uses as much as digits as its factorization.

1001011233323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14940466236.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1001011233323 its reverse (3233321101001), we get a palindrome (4234332334324).

The spelling of 1001011233323 in words is "one trillion, one billion, eleven million, two hundred thirty-three thousand, three hundred twenty-three".