23311031352 has 32 divisors (see below), whose sum is σ = 66602947200. Its totient is φ = 6660294624.

The previous prime is 23311031351. The next prime is 23311031407. The reversal of 23311031352 is 25313011332.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23311031351) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 69377902 + ... + 69378237.

It is an arithmetic number, because the mean of its divisors is an integer number (2081342100).

Almost surely, 2^23311031352 is an apocalyptic number.

It is an amenable number.

23311031352 is an abundant number, since it is smaller than the sum of its proper divisors (43291915848).

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

23311031352 is a wasteful number, since it uses less digits than its factorization.

23311031352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138756155 (or 138756151 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 23311031352 its reverse (25313011332), we get a palindrome (48624042684).

It can be divided in two parts, 233110 and 31352, that added together give a palindrome (264462).

The spelling of 23311031352 in words is "twenty-three billion, three hundred eleven million, thirty-one thousand, three hundred fifty-two".