23210011146 has 128 divisors (see below), whose sum is σ = 56936355840. Its totient is φ = 6160147200.

The previous prime is 23210011093. The next prime is 23210011151. The reversal of 23210011146 is 64111001232.

It is a super-3 number, since 3×23210011146³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22732116 + ... + 22733136.

It is an arithmetic number, because the mean of its divisors is an integer number (444815280).

Almost surely, 2^23210011146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23210011146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28468177920).

23210011146 is an abundant number, since it is smaller than the sum of its proper divisors (33726344694).

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

23210011146 is a wasteful number, since it uses less digits than its factorization.

23210011146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 23210011146 its reverse (64111001232), we get a palindrome (87321012378).

The spelling of 23210011146 in words is "twenty-three billion, two hundred ten million, eleven thousand, one hundred forty-six".