1001232031123 has 2 divisors, whose sum is σ = 1001232031124. Its totient is φ = 1001232031122.

The previous prime is 1001232031099. The next prime is 1001232031207. The reversal of 1001232031123 is 3211302321001.

1001232031123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (3211302321001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001232031123 is a prime.

It is a super-2 number, since 2×1001232031123² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1001232031123.

It is not a weakly prime, because it can be changed into another prime (1001232031223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500616015561 + 500616015562.

It is an arithmetic number, because the mean of its divisors is an integer number (500616015562).

Almost surely, 2^{1001232031123} is an apocalyptic number.

1001232031123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001232031123 is an equidigital number, since it uses as much as digits as its factorization.

1001232031123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1001232031123 its reverse (3211302321001), we get a palindrome (4212534352124).

The spelling of 1001232031123 in words is "one trillion, one billion, two hundred thirty-two million, thirty-one thousand, one hundred twenty-three".