23429844 has 48 divisors (see below), whose sum is σ = 61790400. Its totient is φ = 7675488.

The previous prime is 23429839. The next prime is 23429851. The reversal of 23429844 is 44892432.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 23429799 and 23429808.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4534 + ... + 8210.

It is an arithmetic number, because the mean of its divisors is an integer number (1287300).

Almost surely, 2^23429844 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 23429844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30895200).

23429844 is an abundant number, since it is smaller than the sum of its proper divisors (38360556).

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

23429844 is a wasteful number, since it uses less digits than its factorization.

23429844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3749 (or 3741 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 23429844 is about 4840.4384098964. The cubic root of 23429844 is about 286.1473965968.

The spelling of 23429844 in words is "twenty-three million, four hundred twenty-nine thousand, eight hundred forty-four".