1002002232123 has 12 divisors (see below), whose sum is σ = 1447348429800. Its totient is φ = 667996008576.

The previous prime is 1002002232089. The next prime is 1002002232167. The reversal of 1002002232123 is 3212322002001.

1002002232123 is a `hidden beast` number, since 100 + 200 + 22 + 321 + 23 = 666.

It is not a de Polignac number, because 1002002232123 - 2¹³ = 1002002223931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002002232096 and 1002002232105.

It is not an unprimeable number, because it can be changed into a prime (1002002232223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 919915 + ... + 1688267.

It is an arithmetic number, because the mean of its divisors is an integer number (120612369150).

Almost surely, 2^{1002002232123} is an apocalyptic number.

1002002232123 is a deficient number, since it is larger than the sum of its proper divisors (445346197677).

1002002232123 is a wasteful number, since it uses less digits than its factorization.

1002002232123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913258 (or 913255 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1002002232123 its reverse (3212322002001), we get a palindrome (4214324234124).

The spelling of 1002002232123 in words is "one trillion, two billion, two million, two hundred thirty-two thousand, one hundred twenty-three".