40330140123 has 64 divisors (see below), whose sum is σ = 69626188800. Its totient is φ = 20191127040.

The previous prime is 40330139963. The next prime is 40330140131. The reversal of 40330140123 is 32104103304.

It is not a de Polignac number, because 40330140123 - 2⁸ = 40330139867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 40330140123.

It is not an unprimeable number, because it can be changed into a prime (40330140163) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 423933 + ... + 510273.

It is an arithmetic number, because the mean of its divisors is an integer number (1087909200).

Almost surely, 2^40330140123 is an apocalyptic number.

40330140123 is a deficient number, since it is larger than the sum of its proper divisors (29296048677).

40330140123 is a wasteful number, since it uses less digits than its factorization.

40330140123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86452.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 40330140123 its reverse (32104103304), we get a palindrome (72434243427).

The spelling of 40330140123 in words is "forty billion, three hundred thirty million, one hundred forty thousand, one hundred twenty-three".