23939442 has 32 divisors (see below), whose sum is σ = 55036800. Its totient is φ = 7704144.

The previous prime is 23939423. The next prime is 23939467. The reversal of 23939442 is 24493932.

It is a junction number, because it is equal to n+sod(n) for n = 23939397 and 23939406.

It is an unprimeable number.

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, 6078 + ... + 9209.

It is an arithmetic number, because the mean of its divisors is an integer number (1719900).

Almost surely, 2^23939442 is an apocalyptic number.

23939442 is an abundant number, since it is smaller than the sum of its proper divisors (31097358).

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

23939442 is a wasteful number, since it uses less digits than its factorization.

23939442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15327 (or 15321 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 23939442 is about 4892.7949067992. The cubic root of 23939442 is about 288.2070993042.

The spelling of 23939442 in words is "twenty-three million, nine hundred thirty-nine thousand, four hundred forty-two".