23441434431012 has 72 divisors (see below), whose sum is σ = 63880608737400. Its totient is φ = 7205083937280.

The previous prime is 23441434431011. The next prime is 23441434431101. The reversal of 23441434431012 is 21013443414432.

23441434431012 is a `hidden beast` number, since 2 + 34 + 41 + 43 + 443 + 101 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1630815837156 + 21810618593856 = 1277034^2 + 4670184^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (23441434431011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26174137 + ... + 27054912.

Almost surely, 2^{23441434431012} is an apocalyptic number.

It is an amenable number.

23441434431012 is an abundant number, since it is smaller than the sum of its proper divisors (40439174306388).

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

23441434431012 is a wasteful number, since it uses less digits than its factorization.

23441434431012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53230013 (or 53230008 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 23441434431012 its reverse (21013443414432), we get a palindrome (44454877845444).

The spelling of 23441434431012 in words is "twenty-three trillion, four hundred forty-one billion, four hundred thirty-four million, four hundred thirty-one thousand, twelve".