16429423 has 2 divisors, whose sum is σ = 16429424. Its totient is φ = 16429422.

The previous prime is 16429421. The next prime is 16429447. The reversal of 16429423 is 32492461.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (32492461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16429423 - 2¹ = 16429421 is a prime.

It is a super-2 number, since 2×16429423² = 539851880225858, which contains 22 as substring.

Together with 16429421, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16429421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8214711 + 8214712.

It is an arithmetic number, because the mean of its divisors is an integer number (8214712).

Almost surely, 2^16429423 is an apocalyptic number.

16429423 is a deficient number, since it is larger than the sum of its proper divisors (1).

16429423 is an equidigital number, since it uses as much as digits as its factorization.

16429423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The square root of 16429423 is about 4053.3224643495. The cubic root of 16429423 is about 254.2186669680.

The spelling of 16429423 in words is "sixteen million, four hundred twenty-nine thousand, four hundred twenty-three".