23478725 has 12 divisors (see below), whose sum is σ = 29194560. Its totient is φ = 18730800.

The previous prime is 23478713. The next prime is 23478727. The reversal of 23478725 is 52787432.

It is not a de Polignac number, because 23478725 - 2¹² = 23474629 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23478727) 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 11 ways as a sum of consecutive naturals, for example, 9686 + ... + 11864.

It is an arithmetic number, because the mean of its divisors is an integer number (2432880).

Almost surely, 2^23478725 is an apocalyptic number.

23478725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23478725 is a deficient number, since it is larger than the sum of its proper divisors (5715835).

23478725 is a wasteful number, since it uses less digits than its factorization.

23478725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620 (or 2615 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 23478725 is about 4845.4850118435. The cubic root of 23478725 is about 286.3462520273.

The spelling of 23478725 in words is "twenty-three million, four hundred seventy-eight thousand, seven hundred twenty-five".