39976106623 has 4 divisors (see below), whose sum is σ = 39979879000. Its totient is φ = 39972334248.

The previous prime is 39976106567. The next prime is 39976106641. The reversal of 39976106623 is 32660167993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32660167993 = 2267 ⋅14406779.

It is a cyclic number.

It is not a de Polignac number, because 39976106623 - 2⁹ = 39976106111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39976106683) 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, 1870248 + ... + 1891501.

It is an arithmetic number, because the mean of its divisors is an integer number (9994969750).

Almost surely, 2^39976106623 is an apocalyptic number.

39976106623 is a deficient number, since it is larger than the sum of its proper divisors (3772377).

39976106623 is a wasteful number, since it uses less digits than its factorization.

39976106623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3772376.

The product of its (nonzero) digits is 2204496, while the sum is 52.

The spelling of 39976106623 in words is "thirty-nine billion, nine hundred seventy-six million, one hundred six thousand, six hundred twenty-three".