23200320132 has 48 divisors (see below), whose sum is σ = 65617070400. Its totient is φ = 7030399680.

The previous prime is 23200320127. The next prime is 23200320161. The reversal of 23200320132 is 23102300232.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9763257 + ... + 9765632.

It is an arithmetic number, because the mean of its divisors is an integer number (1367022300).

Almost surely, 2^23200320132 is an apocalyptic number.

23200320132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23200320132 is an abundant number, since it is smaller than the sum of its proper divisors (42416750268).

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

23200320132 is a wasteful number, since it uses less digits than its factorization.

23200320132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19528913 (or 19528905 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23200320132 its reverse (23102300232), we get a palindrome (46302620364).

The spelling of 23200320132 in words is "twenty-three billion, two hundred million, three hundred twenty thousand, one hundred thirty-two".