23043020 has 96 divisors (see below), whose sum is σ = 65028096. Its totient is φ = 6624000.

The previous prime is 23043017. The next prime is 23043037. The reversal of 23043020 is 2034032.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 23042986 and 23043004.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19445 + ... + 20595.

It is an arithmetic number, because the mean of its divisors is an integer number (677376).

Almost surely, 2^23043020 is an apocalyptic number.

23043020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23043020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32514048).

23043020 is an abundant number, since it is smaller than the sum of its proper divisors (41985076).

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

23043020 is a wasteful number, since it uses less digits than its factorization.

23043020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 23043020 is about 4800.3145730254. The cubic root of 23043020 is about 284.5638964755.

Adding to 23043020 its reverse (2034032), we get a palindrome (25077052).

The spelling of 23043020 in words is "twenty-three million, forty-three thousand, twenty".