1020123302223 has 16 divisors (see below), whose sum is σ = 1431776908800. Its totient is φ = 644277193920.

The previous prime is 1020123302117. The next prime is 1020123302239. The reversal of 1020123302223 is 3222033210201.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1020123302223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020123302223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020123302323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4218883 + ... + 4454123.

It is an arithmetic number, because the mean of its divisors is an integer number (89486056800).

Almost surely, 2^{1020123302223} is an apocalyptic number.

1020123302223 is a deficient number, since it is larger than the sum of its proper divisors (411653606577).

1020123302223 is a wasteful number, since it uses less digits than its factorization.

1020123302223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311342.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1020123302223 its reverse (3222033210201), we get a palindrome (4242156512424).

The spelling of 1020123302223 in words is "one trillion, twenty billion, one hundred twenty-three million, three hundred two thousand, two hundred twenty-three".