40595123123 has 4 divisors (see below), whose sum is σ = 42983071560. Its totient is φ = 38207174688.

The previous prime is 40595123083. The next prime is 40595123141. The reversal of 40595123123 is 32132159504.

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

It is not a de Polignac number, because 40595123123 - 2¹⁸ = 40594860979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40595123323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1193974193 + ... + 1193974226.

It is an arithmetic number, because the mean of its divisors is an integer number (10745767890).

Almost surely, 2^40595123123 is an apocalyptic number.

40595123123 is a deficient number, since it is larger than the sum of its proper divisors (2387948437).

40595123123 is a wasteful number, since it uses less digits than its factorization.

40595123123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387948436.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 40595123123 in words is "forty billion, five hundred ninety-five million, one hundred twenty-three thousand, one hundred twenty-three".