200000231311023 has 144 divisors (see below), whose sum is σ = 347111328036096. Its totient is φ = 109976808015360.

The previous prime is 200000231311021. The next prime is 200000231311037. The reversal of 200000231311023 is 320113132000002.

It is not a de Polignac number, because 200000231311023 - 2¹ = 200000231311021 is a prime.

It is a super-2 number, since 2×200000231311023² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200000231310987 and 200000231311005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200000231311021) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 512091286 + ... + 512481692.

It is an arithmetic number, because the mean of its divisors is an integer number (2410495333584).

Almost surely, 2^{200000231311023} is an apocalyptic number.

200000231311023 is a deficient number, since it is larger than the sum of its proper divisors (147111096725073).

200000231311023 is a wasteful number, since it uses less digits than its factorization.

200000231311023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390974 (or 390958 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 200000231311023 its reverse (320113132000002), we get a palindrome (520113363311025).

The spelling of 200000231311023 in words is "two hundred trillion, two hundred thirty-one million, three hundred eleven thousand, twenty-three".