32023143240 has 64 divisors (see below), whose sum is σ = 104803018560. Its totient is φ = 7763185920.

The previous prime is 32023143211. The next prime is 32023143247. The reversal of 32023143240 is 4234132023.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 32023143240.

It is not an unprimeable number, because it can be changed into a prime (32023143247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12128659 + ... + 12131298.

It is an arithmetic number, because the mean of its divisors is an integer number (1637547165).

Almost surely, 2^32023143240 is an apocalyptic number.

32023143240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32023143240 is an abundant number, since it is smaller than the sum of its proper divisors (72779875320).

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

32023143240 is a wasteful number, since it uses less digits than its factorization.

32023143240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24259982 (or 24259978 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 32023143240 its reverse (4234132023), we get a palindrome (36257275263).

The spelling of 32023143240 in words is "thirty-two billion, twenty-three million, one hundred forty-three thousand, two hundred forty".