32421223 has 2 divisors, whose sum is σ = 32421224. Its totient is φ = 32421222.

The previous prime is 32421209. The next prime is 32421241. The reversal of 32421223 is 32212423.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32421223 - 2⁹ = 32420711 is a prime.

It is a super-2 number, since 2×32421223² = 2102271401631458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32421223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32421203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16210611 + 16210612.

It is an arithmetic number, because the mean of its divisors is an integer number (16210612).

Almost surely, 2^32421223 is an apocalyptic number.

32421223 is a deficient number, since it is larger than the sum of its proper divisors (1).

32421223 is an equidigital number, since it uses as much as digits as its factorization.

32421223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 19.

The square root of 32421223 is about 5693.9637336393. The cubic root of 32421223 is about 318.8671629781.

Adding to 32421223 its reverse (32212423), we get a palindrome (64633646).

It can be divided in two parts, 3242 and 1223, that added together give a triangular number (4465 = T₉₄).

The spelling of 32421223 in words is "thirty-two million, four hundred twenty-one thousand, two hundred twenty-three".