40123030033223 has 4 divisors (see below), whose sum is σ = 40123373172960. Its totient is φ = 40122686893488.

The previous prime is 40123030033109. The next prime is 40123030033241. The reversal of 40123030033223 is 32233003032104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40123030033223 - 2³⁶ = 40054310556487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40123030033192 and 40123030033201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40123030063223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171394415 + ... + 171628352.

It is an arithmetic number, because the mean of its divisors is an integer number (10030843293240).

Almost surely, 2^{40123030033223} is an apocalyptic number.

40123030033223 is a deficient number, since it is larger than the sum of its proper divisors (343139737).

40123030033223 is a wasteful number, since it uses less digits than its factorization.

40123030033223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343139736.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 40123030033223 its reverse (32233003032104), we get a palindrome (72356033065327).

The spelling of 40123030033223 in words is "forty trillion, one hundred twenty-three billion, thirty million, thirty-three thousand, two hundred twenty-three".