1000000210023 has 48 divisors (see below), whose sum is σ = 1558607132160. Its totient is φ = 616311064512.

The previous prime is 1000000210007. The next prime is 1000000210043. The reversal of 1000000210023 is 3200120000001.

It is a happy number.

It is not a de Polignac number, because 1000000210023 - 2⁴ = 1000000210007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1000000209987 and 1000000210014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000000210003) 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, 54838 + ... + 1415276.

It is an arithmetic number, because the mean of its divisors is an integer number (32470981920).

Almost surely, 2^{1000000210023} is an apocalyptic number.

1000000210023 is a deficient number, since it is larger than the sum of its proper divisors (558606922137).

1000000210023 is a wasteful number, since it uses less digits than its factorization.

1000000210023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360588 (or 1360585 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 1000000210023 its reverse (3200120000001), we get a palindrome (4200120210024).

The spelling of 1000000210023 in words is "one trillion, two hundred ten thousand, twenty-three".