40122323 has 4 divisors (see below), whose sum is σ = 40780128. Its totient is φ = 39464520.

The previous prime is 40122307. The next prime is 40122343. The reversal of 40122323 is 32322104.

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 40122323 - 2⁴ = 40122307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40122343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328811 + ... + 328932.

It is an arithmetic number, because the mean of its divisors is an integer number (10195032).

Almost surely, 2^40122323 is an apocalyptic number.

40122323 is a deficient number, since it is larger than the sum of its proper divisors (657805).

40122323 is an equidigital number, since it uses as much as digits as its factorization.

40122323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657804.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 40122323 is about 6334.2184206104. The cubic root of 40122323 is about 342.3434502198.

Adding to 40122323 its reverse (32322104), we get a palindrome (72444427).

The spelling of 40122323 in words is "forty million, one hundred twenty-two thousand, three hundred twenty-three".