23311322010 has 96 divisors (see below), whose sum is σ = 64394263440. Its totient is φ = 5839755264.

The previous prime is 23311322003. The next prime is 23311322051. The reversal of 23311322010 is 1022311332.

23311322010 is a `hidden beast` number, since 2 + 331 + 1 + 322 + 0 + 10 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 20716132761 + 2595189249 = 143931^2 + 50943^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24127 + ... + 217266.

Almost surely, 2^23311322010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23311322010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32197131720).

23311322010 is an abundant number, since it is smaller than the sum of its proper divisors (41082941430).

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

23311322010 is a wasteful number, since it uses less digits than its factorization.

23311322010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241472 (or 241469 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23311322010 its reverse (1022311332), we get a palindrome (24333633342).

The spelling of 23311322010 in words is "twenty-three billion, three hundred eleven million, three hundred twenty-two thousand, ten".