40123343 has 8 divisors (see below), whose sum is σ = 44215248. Its totient is φ = 36175104.

The previous prime is 40123337. The next prime is 40123351. The reversal of 40123343 is 34332104.

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 40123343 - 2⁸ = 40123087 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 (40123313) 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, 35330 + ... + 36447.

It is an arithmetic number, because the mean of its divisors is an integer number (5526906).

Almost surely, 2^40123343 is an apocalyptic number.

40123343 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

40123343 is a deficient number, since it is larger than the sum of its proper divisors (4091905).

40123343 is a wasteful number, since it uses less digits than its factorization.

40123343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71833.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 40123343 is about 6334.2989351624. The cubic root of 40123343 is about 342.3463512429.

Adding to 40123343 its reverse (34332104), we get a palindrome (74455447).

The spelling of 40123343 in words is "forty million, one hundred twenty-three thousand, three hundred forty-three".