1020012103323 has 16 divisors (see below), whose sum is σ = 1511239104000. Its totient is φ = 679958541000.

The previous prime is 1020012103211. The next prime is 1020012103339. The reversal of 1020012103323 is 3233012100201.

1020012103323 is a `hidden beast` number, since 10 + 200 + 121 + 0 + 332 + 3 = 666.

It is not a de Polignac number, because 1020012103323 - 2¹⁰ = 1020012102299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020012103296 and 1020012103305.

It is not an unprimeable number, because it can be changed into a prime (1020012103343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 996303 + ... + 1741448.

It is an arithmetic number, because the mean of its divisors is an integer number (94452444000).

Almost surely, 2^{1020012103323} is an apocalyptic number.

1020012103323 is a deficient number, since it is larger than the sum of its proper divisors (491227000677).

1020012103323 is a wasteful number, since it uses less digits than its factorization.

1020012103323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751559 (or 2751553 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1020012103323 its reverse (3233012100201), we get a palindrome (4253024203524).

The spelling of 1020012103323 in words is "one trillion, twenty billion, twelve million, one hundred three thousand, three hundred twenty-three".