16023457 has 8 divisors (see below), whose sum is σ = 16620840. Its totient is φ = 15429120.

The previous prime is 16023451. The next prime is 16023461. The reversal of 16023457 is 75432061.

It can be written as a sum of positive squares in 4 ways, for example, as 625681 + 15397776 = 791^2 + 3924^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16023457 - 2²³ = 7634849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16023451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19107 + ... + 19927.

It is an arithmetic number, because the mean of its divisors is an integer number (2077605).

Almost surely, 2^16023457 is an apocalyptic number.

It is an amenable number.

16023457 is a deficient number, since it is larger than the sum of its proper divisors (597383).

16023457 is an equidigital number, since it uses as much as digits as its factorization.

16023457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 16023457 is about 4002.9310511174. The cubic root of 16023457 is about 252.1072913838.

The spelling of 16023457 in words is "sixteen million, twenty-three thousand, four hundred fifty-seven".