40030323 has 16 divisors (see below), whose sum is σ = 54829056. Its totient is φ = 25966080.

The previous prime is 40030313. The next prime is 40030357. The reversal of 40030323 is 32303004.

It is not a de Polignac number, because 40030323 - 2⁹ = 40029811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40030303) 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, 26478 + ... + 27948.

It is an arithmetic number, because the mean of its divisors is an integer number (3426816).

Almost surely, 2^40030323 is an apocalyptic number.

40030323 is a deficient number, since it is larger than the sum of its proper divisors (14798733).

40030323 is a wasteful number, since it uses less digits than its factorization.

40030323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 40030323 is about 6326.9521098235. The cubic root of 40030323 is about 342.0815868415.

Adding to 40030323 its reverse (32303004), we get a palindrome (72333327).

It can be divided in two parts, 4003032 and 3, that added together give a triangular number (4003035 = T₂₈₂₉).

The spelling of 40030323 in words is "forty million, thirty thousand, three hundred twenty-three".