181120021002023 has 16 divisors (see below), whose sum is σ = 198052100352000. Its totient is φ = 164977399353312.

The previous prime is 181120021002013. The next prime is 181120021002031. The reversal of 181120021002023 is 320200120021181.

181120021002023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-181120021002023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 181120021002023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181120021002013) 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, 687549215 + ... + 687812592.

It is an arithmetic number, because the mean of its divisors is an integer number (12378256272000).

Almost surely, 2^{181120021002023} is an apocalyptic number.

181120021002023 is a deficient number, since it is larger than the sum of its proper divisors (16932079349977).

181120021002023 is a wasteful number, since it uses less digits than its factorization.

181120021002023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375362094.

The product of its (nonzero) digits is 384, while the sum is 23.

The spelling of 181120021002023 in words is "one hundred eighty-one trillion, one hundred twenty billion, twenty-one million, two thousand, twenty-three".