13723357 has 2 divisors, whose sum is σ = 13723358. Its totient is φ = 13723356.

The previous prime is 13723309. The next prime is 13723361. The reversal of 13723357 is 75332731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11431161 + 2292196 = 3381^2 + 1514^2 .

It is an emirp because it is prime and its reverse (75332731) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13723357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13723057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6861678 + 6861679.

It is an arithmetic number, because the mean of its divisors is an integer number (6861679).

Almost surely, 2^13723357 is an apocalyptic number.

It is an amenable number.

13723357 is a deficient number, since it is larger than the sum of its proper divisors (1).

13723357 is an equidigital number, since it uses as much as digits as its factorization.

13723357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 31.

The square root of 13723357 is about 3704.5049601802. The cubic root of 13723357 is about 239.4161560760.

The spelling of 13723357 in words is "thirteen million, seven hundred twenty-three thousand, three hundred fifty-seven".