1002421223223 has 16 divisors (see below), whose sum is σ = 1528065043200. Its totient is φ = 572599863936.

The previous prime is 1002421223213. The next prime is 1002421223239. The reversal of 1002421223223 is 3223221242001.

It is a de Polignac number, because none of the positive numbers 2^k-1002421223223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002421223193 and 1002421223202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002421223203) 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, 8786290 + ... + 8899647.

It is an arithmetic number, because the mean of its divisors is an integer number (95504065200).

Almost surely, 2^{1002421223223} is an apocalyptic number.

1002421223223 is a deficient number, since it is larger than the sum of its proper divisors (525643819977).

1002421223223 is a wasteful number, since it uses less digits than its factorization.

1002421223223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17688646.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 1002421223223 its reverse (3223221242001), we get a palindrome (4225642465224).

The spelling of 1002421223223 in words is "one trillion, two billion, four hundred twenty-one million, two hundred twenty-three thousand, two hundred twenty-three".