40123007 has 8 divisors (see below), whose sum is σ = 41121216. Its totient is φ = 39130912.

The previous prime is 40123001. The next prime is 40123049. The reversal of 40123007 is 70032104.

It is a happy number.

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 40123007 - 2¹⁶ = 40057471 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 (40123001) 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, 13553 + ... + 16245.

It is an arithmetic number, because the mean of its divisors is an integer number (5140152).

Almost surely, 2^40123007 is an apocalyptic number.

40123007 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

40123007 is a deficient number, since it is larger than the sum of its proper divisors (998209).

40123007 is a wasteful number, since it uses less digits than its factorization.

40123007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 40123007 is about 6334.2724128348. The cubic root of 40123007 is about 342.3453956172.

The spelling of 40123007 in words is "forty million, one hundred twenty-three thousand, seven".