40106116156723 has 4 divisors (see below), whose sum is σ = 40210831865088. Its totient is φ = 40001400448360.

The previous prime is 40106116156709. The next prime is 40106116156727. The reversal of 40106116156723 is 32765161160104.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40106116156723 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 40106116156723.

It is not an unprimeable number, because it can be changed into a prime (40106116156727) 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, 52357853608 + ... + 52357854373.

It is an arithmetic number, because the mean of its divisors is an integer number (10052707966272).

Almost surely, 2^{40106116156723} is an apocalyptic number.

40106116156723 is a deficient number, since it is larger than the sum of its proper divisors (104715708365).

40106116156723 is a wasteful number, since it uses less digits than its factorization.

40106116156723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104715708364.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 40106116156723 in words is "forty trillion, one hundred six billion, one hundred sixteen million, one hundred fifty-six thousand, seven hundred twenty-three".