23212000134 has 48 divisors (see below), whose sum is σ = 50556355200. Its totient is φ = 7696827648.

The previous prime is 23212000093. The next prime is 23212000139. The reversal of 23212000134 is 43100021232.

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 (23212000139) 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, 7512862 + ... + 7515950.

It is an arithmetic number, because the mean of its divisors is an integer number (1053257400).

Almost surely, 2^23212000134 is an apocalyptic number.

23212000134 is an abundant number, since it is smaller than the sum of its proper divisors (27344355066).

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

23212000134 is a wasteful number, since it uses less digits than its factorization.

23212000134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5149 (or 5146 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23212000134 its reverse (43100021232), we get a palindrome (66312021366).

The spelling of 23212000134 in words is "twenty-three billion, two hundred twelve million, one hundred thirty-four", and thus it is an aban number.