39700012423 has 4 divisors (see below), whose sum is σ = 39841293888. Its totient is φ = 39558730960.

The previous prime is 39700012411. The next prime is 39700012447. The reversal of 39700012423 is 32421000793.

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 39700012423 - 2¹³ = 39700004231 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 (39700015423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70640311 + ... + 70640872.

It is an arithmetic number, because the mean of its divisors is an integer number (9960323472).

Almost surely, 2^39700012423 is an apocalyptic number.

39700012423 is a deficient number, since it is larger than the sum of its proper divisors (141281465).

39700012423 is a wasteful number, since it uses less digits than its factorization.

39700012423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141281464.

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 39700012423 in words is "thirty-nine billion, seven hundred million, twelve thousand, four hundred twenty-three".