23124020 has 24 divisors (see below), whose sum is σ = 50236200. Its totient is φ = 8930432.

The previous prime is 23124019. The next prime is 23124037. The reversal of 23124020 is 2042132.

It can be written as a sum of positive squares in 4 ways, for example, as 2999824 + 20124196 = 1732^2 + 4486^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23123986 and 23124004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19355 + ... + 20514.

It is an arithmetic number, because the mean of its divisors is an integer number (2093175).

Almost surely, 2^23124020 is an apocalyptic number.

23124020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23124020 is an abundant number, since it is smaller than the sum of its proper divisors (27112180).

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

23124020 is a wasteful number, since it uses less digits than its factorization.

23124020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39907 (or 39905 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 23124020 is about 4808.7441187903. The cubic root of 23124020 is about 284.8969361615.

Adding to 23124020 its reverse (2042132), we get a palindrome (25166152).

The spelling of 23124020 in words is "twenty-three million, one hundred twenty-four thousand, twenty".