16023813 has 16 divisors (see below), whose sum is σ = 23237760. Its totient is φ = 9762624.

The previous prime is 16023811. The next prime is 16023823. The reversal of 16023813 is 31832061.

It is not a de Polignac number, because 16023813 - 2¹ = 16023811 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16023811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2023 + ... + 6011.

It is an arithmetic number, because the mean of its divisors is an integer number (1452360).

Almost surely, 2^16023813 is an apocalyptic number.

16023813 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16023813 is a deficient number, since it is larger than the sum of its proper divisors (7213947).

16023813 is a wasteful number, since it uses less digits than its factorization.

16023813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4108.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 16023813 is about 4002.9755182864. The cubic root of 16023813 is about 252.1091584285.

Adding to 16023813 its reverse (31832061), we get a palindrome (47855874).

It can be divided in two parts, 16023 and 813, that added together give a triangular number (16836 = T₁₈₃).

The spelling of 16023813 in words is "sixteen million, twenty-three thousand, eight hundred thirteen".