23447650 has 12 divisors (see below), whose sum is σ = 43612722. Its totient is φ = 9379040.

The previous prime is 23447647. The next prime is 23447651. The reversal of 23447650 is 5674432.

It can be written as a sum of positive squares in 3 ways, for example, as 11675889 + 11771761 = 3417^2 + 3431^2 .

It is not an unprimeable number, because it can be changed into a prime (23447651) 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 5 ways as a sum of consecutive naturals, for example, 234427 + ... + 234526.

Almost surely, 2^23447650 is an apocalyptic number.

23447650 is a deficient number, since it is larger than the sum of its proper divisors (20165072).

23447650 is a wasteful number, since it uses less digits than its factorization.

23447650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468965 (or 468960 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 23447650 is about 4842.2773567816. The cubic root of 23447650 is about 286.2198661413.

The spelling of 23447650 in words is "twenty-three million, four hundred forty-seven thousand, six hundred fifty".