23020121020232 has 48 divisors (see below), whose sum is σ = 53163214676460. Its totient is φ = 9285426963456.

The previous prime is 23020121020231. The next prime is 23020121020243. The reversal of 23020121020232 is 23202012102032.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23019019178596 + 1101841636 = 4797814^2 + 33194^2 .

It is a super-2 number, since 2×23020121020232² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23020121020231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1727193293 + ... + 1727206620.

Almost surely, 2^{23020121020232} is an apocalyptic number.

It is an amenable number.

23020121020232 is an abundant number, since it is smaller than the sum of its proper divisors (30143093656228).

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

23020121020232 is a wasteful number, since it uses less digits than its factorization.

23020121020232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3454399950 (or 3454399939 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23020121020232 its reverse (23202012102032), we get a palindrome (46222133122264).

The spelling of 23020121020232 in words is "twenty-three trillion, twenty billion, one hundred twenty-one million, twenty thousand, two hundred thirty-two".