40423101 has 16 divisors (see below), whose sum is σ = 56222208. Its totient is φ = 25804800.

The previous prime is 40423099. The next prime is 40423109. The reversal of 40423101 is 10132404.

It is not a de Polignac number, because 40423101 - 2¹ = 40423099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40423109) 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, 6781 + ... + 11261.

It is an arithmetic number, because the mean of its divisors is an integer number (3513888).

Almost surely, 2^40423101 is an apocalyptic number.

It is an amenable number.

40423101 is a deficient number, since it is larger than the sum of its proper divisors (15799107).

40423101 is a wasteful number, since it uses less digits than its factorization.

40423101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4612.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 40423101 is about 6357.9164039802. The cubic root of 40423101 is about 343.1967834991.

Adding to 40423101 its reverse (10132404), we get a palindrome (50555505).

The spelling of 40423101 in words is "forty million, four hundred twenty-three thousand, one hundred one".