23955642 has 32 divisors (see below), whose sum is σ = 53395200. Its totient is φ = 7961184.

The previous prime is 23955623. The next prime is 23955643. The reversal of 23955642 is 24655932.

23955642 is a `hidden beast` number, since 2 + 3 + 9 + 5 + 5 + 642 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 23955597 and 23955606.

It is not an unprimeable number, because it can be changed into a prime (23955643) 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 in 15 ways as a sum of consecutive naturals, for example, 32959 + ... + 33677.

It is an arithmetic number, because the mean of its divisors is an integer number (1668600).

Almost surely, 2^23955642 is an apocalyptic number.

23955642 is an abundant number, since it is smaller than the sum of its proper divisors (29439558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23955642 is a wasteful number, since it uses less digits than its factorization.

23955642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347 (or 1341 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 23955642 is about 4894.4501223324. The cubic root of 23955642 is about 288.2720952807.

The spelling of 23955642 in words is "twenty-three million, nine hundred fifty-five thousand, six hundred forty-two".