32666423 has 2 divisors, whose sum is σ = 32666424. Its totient is φ = 32666422.

The previous prime is 32666419. The next prime is 32666437. The reversal of 32666423 is 32466623.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32666423 - 2² = 32666419 is a prime.

It is a super-2 number, since 2×32666423² = 2134190383229858, 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 32666423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32666443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16333211 + 16333212.

It is an arithmetic number, because the mean of its divisors is an integer number (16333212).

Almost surely, 2^32666423 is an apocalyptic number.

32666423 is a deficient number, since it is larger than the sum of its proper divisors (1).

32666423 is an equidigital number, since it uses as much as digits as its factorization.

32666423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 32.

The square root of 32666423 is about 5715.4547500615. The cubic root of 32666423 is about 319.6690034502.

The spelling of 32666423 in words is "thirty-two million, six hundred sixty-six thousand, four hundred twenty-three".