23020500 has 96 divisors (see below), whose sum is σ = 68140800. Its totient is φ = 6038400.

The previous prime is 23020489. The next prime is 23020511. The reversal of 23020500 is 502032.

It is an interprime number because it is at equal distance from previous prime (23020489) and next prime (23020511).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 154426 + ... + 154574.

It is an arithmetic number, because the mean of its divisors is an integer number (709800).

Almost surely, 2^23020500 is an apocalyptic number.

23020500 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 23020500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34070400).

23020500 is an abundant number, since it is smaller than the sum of its proper divisors (45120300).

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

23020500 is a wasteful number, since it uses less digits than its factorization.

23020500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 23020500 is about 4797.9683200288. The cubic root of 23020500 is about 284.4711645951.

Adding to 23020500 its reverse (502032), we get a palindrome (23522532).

The spelling of 23020500 in words is "twenty-three million, twenty thousand, five hundred".