23120532 has 48 divisors (see below), whose sum is σ = 60587520. Its totient is φ = 7623936.

The previous prime is 23120501. The next prime is 23120551. The reversal of 23120532 is 23502132.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9373 + ... + 11579.

It is an arithmetic number, because the mean of its divisors is an integer number (1262240).

Almost surely, 2^23120532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23120532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30293760).

23120532 is an abundant number, since it is smaller than the sum of its proper divisors (37466988).

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

23120532 is a wasteful number, since it uses less digits than its factorization.

23120532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317 (or 2309 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 23120532 is about 4808.3814324573. The cubic root of 23120532 is about 284.8826109349.

Adding to 23120532 its reverse (23502132), we get a palindrome (46622664).

The spelling of 23120532 in words is "twenty-three million, one hundred twenty thousand, five hundred thirty-two".