23201543532 has 24 divisors (see below), whose sum is σ = 54363456000. Its totient is φ = 7701487696.

The previous prime is 23201543507. The next prime is 23201543537. The reversal of 23201543532 is 23534510232.

It is a self number, because there is not a number n which added to its sum of digits gives 23201543532.

It is not an unprimeable number, because it can be changed into a prime (23201543537) 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, 4042032 + ... + 4047767.

It is an arithmetic number, because the mean of its divisors is an integer number (2265144000).

Almost surely, 2^23201543532 is an apocalyptic number.

It is an amenable number.

23201543532 is an abundant number, since it is smaller than the sum of its proper divisors (31161912468).

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

23201543532 is a wasteful number, since it uses less digits than its factorization.

23201543532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8090045 (or 8090043 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 23201543532 in words is "twenty-three billion, two hundred one million, five hundred forty-three thousand, five hundred thirty-two".