23003311121232 has 160 divisors (see below), whose sum is σ = 67368016504320. Its totient is φ = 6705080778240.

The previous prime is 23003311121209. The next prime is 23003311121233. The reversal of 23003311121232 is 23212111330032.

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 (23003311121233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 328269463 + ... + 328339529.

It is an arithmetic number, because the mean of its divisors is an integer number (421050103152).

Almost surely, 2^{23003311121232} 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 23003311121232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33684008252160).

23003311121232 is an abundant number, since it is smaller than the sum of its proper divisors (44364705383088).

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

23003311121232 is a wasteful number, since it uses less digits than its factorization.

23003311121232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97801 (or 97795 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 23003311121232 its reverse (23212111330032), we get a palindrome (46215422451264).

The spelling of 23003311121232 in words is "twenty-three trillion, three billion, three hundred eleven million, one hundred twenty-one thousand, two hundred thirty-two".