23230021120 has 80 divisors (see below), whose sum is σ = 57494498688. Its totient is φ = 8992235520.

The previous prime is 23230021117. The next prime is 23230021123. The reversal of 23230021120 is 2112003232.

It is an interprime number because it is at equal distance from previous prime (23230021117) and next prime (23230021123).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 23230021094 and 23230021103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23230021123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66999 + ... + 225718.

Almost surely, 2^23230021120 is an apocalyptic number.

23230021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23230021120 is an abundant number, since it is smaller than the sum of its proper divisors (34264477568).

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

23230021120 is an equidigital number, since it uses as much as digits as its factorization.

23230021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292771 (or 292755 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23230021120 its reverse (2112003232), we get a palindrome (25342024352).

The spelling of 23230021120 in words is "twenty-three billion, two hundred thirty million, twenty-one thousand, one hundred twenty".