25320723 has 8 divisors (see below), whose sum is σ = 35228928. Its totient is φ = 16146504.

The previous prime is 25320721. The next prime is 25320773. The reversal of 25320723 is 32702352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25320723 - 2¹ = 25320721 is a prime.

It is a super-2 number, since 2×25320723² = 1282278026485458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25320693 and 25320702.

It is not an unprimeable number, because it can be changed into a prime (25320721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183415 + ... + 183552.

It is an arithmetic number, because the mean of its divisors is an integer number (4403616).

Almost surely, 2^25320723 is an apocalyptic number.

25320723 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25320723 is a deficient number, since it is larger than the sum of its proper divisors (9908205).

25320723 is a wasteful number, since it uses less digits than its factorization.

25320723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366993.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 25320723 is about 5031.9700913261. The cubic root of 25320723 is about 293.6468641704.

The spelling of 25320723 in words is "twenty-five million, three hundred twenty thousand, seven hundred twenty-three".