23640962 has 4 divisors (see below), whose sum is σ = 35461446. Its totient is φ = 11820480.

The previous prime is 23640961. The next prime is 23640979. The reversal of 23640962 is 26904632.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23049601 + 591361 = 4801^2 + 769^2 .

It is not an unprimeable number, because it can be changed into a prime (23640961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5910239 + ... + 5910242.

Almost surely, 2^23640962 is an apocalyptic number.

23640962 is a deficient number, since it is larger than the sum of its proper divisors (11820484).

23640962 is a wasteful number, since it uses less digits than its factorization.

23640962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11820483.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 23640962 is about 4862.1972399318. The cubic root of 23640962 is about 287.0042855289.

The spelling of 23640962 in words is "twenty-three million, six hundred forty thousand, nine hundred sixty-two".