25043723 has 2 divisors, whose sum is σ = 25043724. Its totient is φ = 25043722.

The previous prime is 25043717. The next prime is 25043747. The reversal of 25043723 is 32734052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25043723 - 2⁶ = 25043659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25043692 and 25043701.

It is not a weakly prime, because it can be changed into another prime (25043323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12521861 + 12521862.

It is an arithmetic number, because the mean of its divisors is an integer number (12521862).

Almost surely, 2^25043723 is an apocalyptic number.

25043723 is a deficient number, since it is larger than the sum of its proper divisors (1).

25043723 is an equidigital number, since it uses as much as digits as its factorization.

25043723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 25043723 is about 5004.3703899692. The cubic root of 25043723 is about 292.5721369794.

Adding to 25043723 its reverse (32734052), we get a palindrome (57777775).

The spelling of 25043723 in words is "twenty-five million, forty-three thousand, seven hundred twenty-three".