23023312020 has 72 divisors (see below), whose sum is σ = 72423964704. Its totient is φ = 6139548576.

The previous prime is 23023312009. The next prime is 23023312027. The reversal of 23023312020 is 2021332032.

It is a happy number.

23023312020 is a `hidden beast` number, since 230 + 233 + 1 + 202 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23023311984 and 23023312002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23023312027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2363794 + ... + 2373513.

Almost surely, 2^23023312020 is an apocalyptic number.

23023312020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23023312020 is an abundant number, since it is smaller than the sum of its proper divisors (49400652684).

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

23023312020 is a wasteful number, since it uses less digits than its factorization.

23023312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737331 (or 4737317 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23023312020 its reverse (2021332032), we get a palindrome (25044644052).

The spelling of 23023312020 in words is "twenty-three billion, twenty-three million, three hundred twelve thousand, twenty".