201023230021302 has 64 divisors (see below), whose sum is σ = 470832444944064. Its totient is φ = 56641497108480.

The previous prime is 201023230021279. The next prime is 201023230021303. The reversal of 201023230021302 is 203120032320102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201023230021303) 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, 2048616199 + ... + 2048714322.

It is an arithmetic number, because the mean of its divisors is an integer number (7356756952251).

Almost surely, 2^{201023230021302} is an apocalyptic number.

201023230021302 is an abundant number, since it is smaller than the sum of its proper divisors (269809214922762).

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

201023230021302 is a wasteful number, since it uses less digits than its factorization.

201023230021302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097330593.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 201023230021302 its reverse (203120032320102), we get a palindrome (404143262341404).

The spelling of 201023230021302 in words is "two hundred one trillion, twenty-three billion, two hundred thirty million, twenty-one thousand, three hundred two".