1023000120231 has 32 divisors (see below), whose sum is σ = 1434285964800. Its totient is φ = 647323484544.

The previous prime is 1023000120227. The next prime is 1023000120313. The reversal of 1023000120231 is 1320210003201.

It is not a de Polignac number, because 1023000120231 - 2² = 1023000120227 is a prime.

It is a super-2 number, since 2×1023000120231² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1023000120231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023000120211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10365540 + ... + 10463766.

It is an arithmetic number, because the mean of its divisors is an integer number (44821436400).

Almost surely, 2^{1023000120231} is an apocalyptic number.

1023000120231 is a deficient number, since it is larger than the sum of its proper divisors (411285844569).

1023000120231 is a wasteful number, since it uses less digits than its factorization.

1023000120231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99415.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1023000120231 its reverse (1320210003201), we get a palindrome (2343210123432).

The spelling of 1023000120231 in words is "one trillion, twenty-three billion, one hundred twenty thousand, two hundred thirty-one".