23201010 has 72 divisors (see below), whose sum is σ = 70184556. Its totient is φ = 5302080.

The previous prime is 23200993. The next prime is 23201021. The reversal of 23201010 is 1010232.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 23126481 + 74529 = 4809^2 + 273^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23200983 and 23201001.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1780 + ... + 7040.

Almost surely, 2^23201010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23201010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35092278).

23201010 is an abundant number, since it is smaller than the sum of its proper divisors (46983546).

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

23201010 is a wasteful number, since it uses less digits than its factorization.

23201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5288 (or 5278 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 23201010 is about 4816.7426752942. The cubic root of 23201010 is about 285.2127681718.

Adding to 23201010 its reverse (1010232), we get a palindrome (24211242).

The spelling of 23201010 in words is "twenty-three million, two hundred one thousand, ten".