40332423 has 8 divisors (see below), whose sum is σ = 54457600. Its totient is φ = 26547768.

The previous prime is 40332419. The next prime is 40332433. The reversal of 40332423 is 32423304.

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

It is not a de Polignac number, because 40332423 - 2² = 40332419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40332423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40332433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84853 + ... + 85326.

It is an arithmetic number, because the mean of its divisors is an integer number (6807200).

Almost surely, 2^40332423 is an apocalyptic number.

40332423 is a deficient number, since it is larger than the sum of its proper divisors (14125177).

40332423 is a wasteful number, since it uses less digits than its factorization.

40332423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170261.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 40332423 is about 6350.7812905185. The cubic root of 40332423 is about 342.9399691512.

Adding to 40332423 its reverse (32423304), we get a palindrome (72755727).

It can be divided in two parts, 40332 and 423, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 40332423 in words is "forty million, three hundred thirty-two thousand, four hundred twenty-three".