32243142421 has 16 divisors (see below), whose sum is σ = 37110528000. Its totient is φ = 27441203328.

The previous prime is 32243142409. The next prime is 32243142431. The reversal of 32243142421 is 12424134223.

It is not a de Polignac number, because 32243142421 - 2¹³ = 32243134229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32243142421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32243142431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4334121 + ... + 4341553.

It is an arithmetic number, because the mean of its divisors is an integer number (2319408000).

Almost surely, 2^32243142421 is an apocalyptic number.

It is an amenable number.

32243142421 is a deficient number, since it is larger than the sum of its proper divisors (4867385579).

32243142421 is a wasteful number, since it uses less digits than its factorization.

32243142421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11748.

The product of its digits is 9216, while the sum is 28.

Adding to 32243142421 its reverse (12424134223), we get a palindrome (44667276644).

The spelling of 32243142421 in words is "thirty-two billion, two hundred forty-three million, one hundred forty-two thousand, four hundred twenty-one".