40361023 has 4 divisors (see below), whose sum is σ = 40389048. Its totient is φ = 40333000.

The previous prime is 40361017. The next prime is 40361053. The reversal of 40361023 is 32016304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40361023 - 2¹³ = 40352831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40361053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11728 + ... + 14773.

It is an arithmetic number, because the mean of its divisors is an integer number (10097262).

Almost surely, 2^40361023 is an apocalyptic number.

40361023 is a deficient number, since it is larger than the sum of its proper divisors (28025).

40361023 is a wasteful number, since it uses less digits than its factorization.

40361023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28024.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 40361023 is about 6353.0325829481. The cubic root of 40361023 is about 343.0210103663.

Adding to 40361023 its reverse (32016304), we get a palindrome (72377327).

The spelling of 40361023 in words is "forty million, three hundred sixty-one thousand, twenty-three".