40004214123 has 16 divisors (see below), whose sum is σ = 54590809856. Its totient is φ = 26043806880.

The previous prime is 40004214119. The next prime is 40004214127. The reversal of 40004214123 is 32141240004.

It is an interprime number because it is at equal distance from previous prime (40004214119) and next prime (40004214127).

It is not a de Polignac number, because 40004214123 - 2² = 40004214119 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 40004214123.

It is not an unprimeable number, because it can be changed into a prime (40004214127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640578 + ... + 700248.

It is an arithmetic number, because the mean of its divisors is an integer number (3411925616).

Almost surely, 2^40004214123 is an apocalyptic number.

40004214123 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

40004214123 is a deficient number, since it is larger than the sum of its proper divisors (14586595733).

40004214123 is a wasteful number, since it uses less digits than its factorization.

40004214123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64914.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 40004214123 its reverse (32141240004), we get a palindrome (72145454127).

The spelling of 40004214123 in words is "forty billion, four million, two hundred fourteen thousand, one hundred twenty-three".