723025139 has 2 divisors, whose sum is σ = 723025140. Its totient is φ = 723025138.

The previous prime is 723025133. The next prime is 723025141. The reversal of 723025139 is 931520327.

It is a strong prime.

It is an emirp because it is prime and its reverse (931520327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 723025139 - 2¹⁶ = 722959603 is a prime.

Together with 723025141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (723025133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361512569 + 361512570.

It is an arithmetic number, because the mean of its divisors is an integer number (361512570).

Almost surely, 2^723025139 is an apocalyptic number.

723025139 is a deficient number, since it is larger than the sum of its proper divisors (1).

723025139 is an equidigital number, since it uses as much as digits as its factorization.

723025139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 723025139 is about 26889.1267801690. The cubic root of 723025139 is about 897.5344613206.

The spelling of 723025139 in words is "seven hundred twenty-three million, twenty-five thousand, one hundred thirty-nine".