1001233202123 has 48 divisors (see below), whose sum is σ = 1288909171200. Its totient is φ = 760866480000.

The previous prime is 1001233202117. The next prime is 1001233202143. The reversal of 1001233202123 is 3212023321001.

It is not a de Polignac number, because 1001233202123 - 2¹⁴ = 1001233185739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1001233202095 and 1001233202104.

It is not an unprimeable number, because it can be changed into a prime (1001233202113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 161512178 + ... + 161518376.

It is an arithmetic number, because the mean of its divisors is an integer number (26852274400).

Almost surely, 2^{1001233202123} is an apocalyptic number.

1001233202123 is a deficient number, since it is larger than the sum of its proper divisors (287675969077).

1001233202123 is a wasteful number, since it uses less digits than its factorization.

1001233202123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10920 (or 10909 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1001233202123 its reverse (3212023321001), we get a palindrome (4213256523124).

The spelling of 1001233202123 in words is "one trillion, one billion, two hundred thirty-three million, two hundred two thousand, one hundred twenty-three".