40023201 has 8 divisors (see below), whose sum is σ = 55085824. Its totient is φ = 25821360.

The previous prime is 40023173. The next prime is 40023209. The reversal of 40023201 is 10232004.

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

It is a de Polignac number, because none of the positive numbers 2^k-40023201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40023209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215086 + ... + 215271.

It is an arithmetic number, because the mean of its divisors is an integer number (6885728).

Almost surely, 2^40023201 is an apocalyptic number.

It is an amenable number.

40023201 is a deficient number, since it is larger than the sum of its proper divisors (15062623).

40023201 is a wasteful number, since it uses less digits than its factorization.

40023201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430391.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 40023201 is about 6326.3892545432. The cubic root of 40023201 is about 342.0612984752.

Adding to 40023201 its reverse (10232004), we get a palindrome (50255205).

The spelling of 40023201 in words is "forty million, twenty-three thousand, two hundred one".