23231001312 has 96 divisors (see below), whose sum is σ = 67824207360. Its totient is φ = 7735996800.

The previous prime is 23231001251. The next prime is 23231001317. The reversal of 23231001312 is 21310013232.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23231001317) 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 15 ways as a sum of consecutive naturals, for example, 895273 + ... + 920855.

It is an arithmetic number, because the mean of its divisors is an integer number (706502160).

Almost surely, 2^23231001312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23231001312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33912103680).

23231001312 is an abundant number, since it is smaller than the sum of its proper divisors (44593206048).

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

23231001312 is a wasteful number, since it uses less digits than its factorization.

23231001312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26653 (or 26639 counting only the distinct ones).

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

Adding to 23231001312 its reverse (21310013232), we get a palindrome (44541014544).

The spelling of 23231001312 in words is "twenty-three billion, two hundred thirty-one million, one thousand, three hundred twelve".