23213122132 has 24 divisors (see below), whose sum is σ = 41392864800. Its totient is φ = 11387364576.

The previous prime is 23213122109. The next prime is 23213122139. The reversal of 23213122132 is 23122131232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23213122139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23503 + ... + 216745.

It is an arithmetic number, because the mean of its divisors is an integer number (1724702700).

Almost surely, 2^23213122132 is an apocalyptic number.

It is an amenable number.

23213122132 is a deficient number, since it is larger than the sum of its proper divisors (18179742668).

23213122132 is a wasteful number, since it uses less digits than its factorization.

23213122132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193815 (or 193813 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

Adding to 23213122132 its reverse (23122131232), we get a palindrome (46335253364).

The spelling of 23213122132 in words is "twenty-three billion, two hundred thirteen million, one hundred twenty-two thousand, one hundred thirty-two".