32343042421 has 2 divisors, whose sum is σ = 32343042422. Its totient is φ = 32343042420.

The previous prime is 32343042409. The next prime is 32343042437. The reversal of 32343042421 is 12424034323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20942141796 + 11400900625 = 144714^2 + 106775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32343042421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32343042421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32343042461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16171521210 + 16171521211.

It is an arithmetic number, because the mean of its divisors is an integer number (16171521211).

Almost surely, 2^32343042421 is an apocalyptic number.

It is an amenable number.

32343042421 is a deficient number, since it is larger than the sum of its proper divisors (1).

32343042421 is an equidigital number, since it uses as much as digits as its factorization.

32343042421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 32343042421 its reverse (12424034323), we get a palindrome (44767076744).

The spelling of 32343042421 in words is "thirty-two billion, three hundred forty-three million, forty-two thousand, four hundred twenty-one".