23143021120 has 28 divisors (see below), whose sum is σ = 55109319804. Its totient is φ = 9257208320.

The previous prime is 23143021103. The next prime is 23143021127. The reversal of 23143021120 is 2112034132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9886722624 + 13256298496 = 99432^2 + 115136^2 .

It is not an unprimeable number, because it can be changed into a prime (23143021127) 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 3 ways as a sum of consecutive naturals, for example, 36160651 + ... + 36161290.

It is an arithmetic number, because the mean of its divisors is an integer number (1968189993).

Almost surely, 2^23143021120 is an apocalyptic number.

23143021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23143021120 is an abundant number, since it is smaller than the sum of its proper divisors (31966298684).

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

23143021120 is an equidigital number, since it uses as much as digits as its factorization.

23143021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72321958 (or 72321948 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23143021120 its reverse (2112034132), we get a palindrome (25255055252).

The spelling of 23143021120 in words is "twenty-three billion, one hundred forty-three million, twenty-one thousand, one hundred twenty".