1000023331120 has 80 divisors (see below), whose sum is σ = 2574280021248. Its totient is φ = 358217291520.

The previous prime is 1000023331007. The next prime is 1000023331121. The reversal of 1000023331120 is 211333200001.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1000023331094 and 1000023331103.

It is not an unprimeable number, because it can be changed into a prime (1000023331121) 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, 8421564 + ... + 8539483.

Almost surely, 2^{1000023331120} is an apocalyptic number.

1000023331120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000023331120 is an abundant number, since it is smaller than the sum of its proper divisors (1574256690128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000023331120 is a wasteful number, since it uses less digits than its factorization.

1000023331120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16961138 (or 16961132 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1000023331120 its reverse (211333200001), we get a palindrome (1211356531121).

The spelling of 1000023331120 in words is "one trillion, twenty-three million, three hundred thirty-one thousand, one hundred twenty".