40312010123 has 8 divisors (see below), whose sum is σ = 50259129600. Its totient is φ = 31411955880.

The previous prime is 40312010107. The next prime is 40312010147. The reversal of 40312010123 is 32101021304.

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 40312010123 - 2⁴ = 40312010107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40312010173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261766223 + ... + 261766376.

It is an arithmetic number, because the mean of its divisors is an integer number (6282391200).

Almost surely, 2^40312010123 is an apocalyptic number.

40312010123 is a deficient number, since it is larger than the sum of its proper divisors (9947119477).

40312010123 is a wasteful number, since it uses less digits than its factorization.

40312010123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523532617.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 40312010123 its reverse (32101021304), we get a palindrome (72413031427).

The spelling of 40312010123 in words is "forty billion, three hundred twelve million, ten thousand, one hundred twenty-three".