16353023 has 4 divisors (see below), whose sum is σ = 17064048. Its totient is φ = 15642000.

The previous prime is 16352989. The next prime is 16353037. The reversal of 16353023 is 32035361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16353023 - 2⁸ = 16352767 is a prime.

It is a super-2 number, since 2×16353023² = 534842722477058, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 711001 = 16353023 / (1 + 6 + 3 + 5 + 3 + 0 + 2 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16353023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16353823) 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 3 ways as a sum of consecutive naturals, for example, 355478 + ... + 355523.

It is an arithmetic number, because the mean of its divisors is an integer number (4266012).

Almost surely, 2^16353023 is an apocalyptic number.

16353023 is a deficient number, since it is larger than the sum of its proper divisors (711025).

16353023 is an equidigital number, since it uses as much as digits as its factorization.

16353023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711024.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 16353023 is about 4043.8871151406. The cubic root of 16353023 is about 253.8239992226.

Adding to 16353023 its reverse (32035361), we get a palindrome (48388384).

The spelling of 16353023 in words is "sixteen million, three hundred fifty-three thousand, twenty-three".