39123293 has 6 divisors (see below), whose sum is σ = 43003422. Its totient is φ = 35566520.

The previous prime is 39123269. The next prime is 39123311. The reversal of 39123293 is 39232193.

It can be written as a sum of positive squares in only one way, i.e., 25381444 + 13741849 = 5038^2 + 3707^2 .

It is not a de Polignac number, because 39123293 - 2⁶ = 39123229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39123193) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 161546 + ... + 161787.

It is an arithmetic number, because the mean of its divisors is an integer number (7167237).

Almost surely, 2^39123293 is an apocalyptic number.

It is an amenable number.

39123293 is a deficient number, since it is larger than the sum of its proper divisors (3880129).

39123293 is a wasteful number, since it uses less digits than its factorization.

39123293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323355 (or 323344 counting only the distinct ones).

The product of its digits is 8748, while the sum is 32.

The square root of 39123293 is about 6254.8615492271. The cubic root of 39123293 is about 339.4781296034.

Subtracting 39123293 from its reverse (39232193), we obtain a square (108900 = 330²).

The spelling of 39123293 in words is "thirty-nine million, one hundred twenty-three thousand, two hundred ninety-three".