216462423 has 16 divisors (see below), whose sum is σ = 292916736. Its totient is φ = 142168320.

The previous prime is 216462371. The next prime is 216462487. The reversal of 216462423 is 324264612.

It is not a de Polignac number, because 216462423 - 2¹² = 216458327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216462823) 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 in 15 ways as a sum of consecutive naturals, for example, 106311 + ... + 108327.

It is an arithmetic number, because the mean of its divisors is an integer number (18307296).

Almost surely, 2^216462423 is an apocalyptic number.

216462423 is a deficient number, since it is larger than the sum of its proper divisors (76454313).

216462423 is a wasteful number, since it uses less digits than its factorization.

216462423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534.

The product of its digits is 13824, while the sum is 30.

The square root of 216462423 is about 14712.6619957097. The cubic root of 216462423 is about 600.4278642589.

The spelling of 216462423 in words is "two hundred sixteen million, four hundred sixty-two thousand, four hundred twenty-three".