39120423 has 4 divisors (see below), whose sum is σ = 52160568. Its totient is φ = 26080280.

The previous prime is 39120421. The next prime is 39120439. The reversal of 39120423 is 32402193.

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 39120423 - 2¹ = 39120421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39120393 and 39120402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39120421) 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, 6520068 + ... + 6520073.

It is an arithmetic number, because the mean of its divisors is an integer number (13040142).

Almost surely, 2^39120423 is an apocalyptic number.

39120423 is a deficient number, since it is larger than the sum of its proper divisors (13040145).

39120423 is a wasteful number, since it uses less digits than its factorization.

39120423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13040144.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 39120423 is about 6254.6321234746. The cubic root of 39120423 is about 339.4698282737.

The spelling of 39120423 in words is "thirty-nine million, one hundred twenty thousand, four hundred twenty-three".