23423120 has 80 divisors (see below), whose sum is σ = 62876928. Its totient is φ = 7948800.

The previous prime is 23423117. The next prime is 23423123. The reversal of 23423120 is 2132432.

It is an interprime number because it is at equal distance from previous prime (23423117) and next prime (23423123).

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

It is not an unprimeable number, because it can be changed into a prime (23423123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84422 + ... + 84698.

Almost surely, 2^23423120 is an apocalyptic number.

23423120 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 23423120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31438464).

23423120 is an abundant number, since it is smaller than the sum of its proper divisors (39453808).

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

23423120 is a wasteful number, since it uses less digits than its factorization.

23423120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 23423120 is about 4839.7437948718. The cubic root of 23423120 is about 286.1200206971.

Adding to 23423120 its reverse (2132432), we get a palindrome (25555552).

The spelling of 23423120 in words is "twenty-three million, four hundred twenty-three thousand, one hundred twenty".