40123201 has 8 divisors (see below), whose sum is σ = 41932800. Its totient is φ = 38319072.

The previous prime is 40123199. The next prime is 40123217. The reversal of 40123201 is 10232104.

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 40123201 - 2¹ = 40123199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40123241) 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, 23296 + ... + 24958.

It is an arithmetic number, because the mean of its divisors is an integer number (5241600).

Almost surely, 2^40123201 is an apocalyptic number.

It is an amenable number.

40123201 is a deficient number, since it is larger than the sum of its proper divisors (1809599).

40123201 is a wasteful number, since it uses less digits than its factorization.

40123201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2735.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 40123201 is about 6334.2877263351. The cubic root of 40123201 is about 342.3459473779.

Adding to 40123201 its reverse (10232104), we get a palindrome (50355305).

The spelling of 40123201 in words is "forty million, one hundred twenty-three thousand, two hundred one".