201021023233023 has 32 divisors (see below), whose sum is σ = 311712054077952. Its totient is φ = 112863655632000.

The previous prime is 201021023233007. The next prime is 201021023233091. The reversal of 201021023233023 is 320332320120102.

It is not a de Polignac number, because 201021023233023 - 2⁴ = 201021023233007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201021023232984 and 201021023233002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201021023233123) 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, 361464636 + ... + 362020337.

It is an arithmetic number, because the mean of its divisors is an integer number (9741001689936).

Almost surely, 2^{201021023233023} is an apocalyptic number.

201021023233023 is a deficient number, since it is larger than the sum of its proper divisors (110691030844929).

201021023233023 is a wasteful number, since it uses less digits than its factorization.

201021023233023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723485215.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 201021023233023 its reverse (320332320120102), we get a palindrome (521353343353125).

The spelling of 201021023233023 in words is "two hundred one trillion, twenty-one billion, twenty-three million, two hundred thirty-three thousand, twenty-three".