23311015146 has 48 divisors (see below), whose sum is σ = 53318959200. Its totient is φ = 7340121504.

The previous prime is 23311015121. The next prime is 23311015187. The reversal of 23311015146 is 64151011332.

It is a happy number.

23311015146 is a `hidden beast` number, since 2 + 33 + 110 + 1 + 514 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20460 + ... + 216888.

It is an arithmetic number, because the mean of its divisors is an integer number (1110811650).

Almost surely, 2^23311015146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23311015146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26659479600).

23311015146 is an abundant number, since it is smaller than the sum of its proper divisors (30007944054).

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

23311015146 is a wasteful number, since it uses less digits than its factorization.

23311015146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196803 (or 196800 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

Adding to 23311015146 its reverse (64151011332), we get a palindrome (87462026478).

The spelling of 23311015146 in words is "twenty-three billion, three hundred eleven million, fifteen thousand, one hundred forty-six".