23947924 has 48 divisors (see below), whose sum is σ = 56278656. Its totient is φ = 8611200.

The previous prime is 23947919. The next prime is 23947927. The reversal of 23947924 is 42974932.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23947927) 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, 1014 + ... + 6994.

It is an arithmetic number, because the mean of its divisors is an integer number (1172472).

Almost surely, 2^23947924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23947924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28139328).

23947924 is an abundant number, since it is smaller than the sum of its proper divisors (32330732).

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

23947924 is a wasteful number, since it uses less digits than its factorization.

23947924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6016 (or 6014 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 23947924 is about 4893.6616147829. The cubic root of 23947924 is about 288.2411335695.

The spelling of 23947924 in words is "twenty-three million, nine hundred forty-seven thousand, nine hundred twenty-four".