23431744 has 56 divisors (see below), whose sum is σ = 53612288. Its totient is φ = 9953280.

The previous prime is 23431721. The next prime is 23431757. The reversal of 23431744 is 44713432.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86329 + ... + 86599.

Almost surely, 2^23431744 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 23431744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26806144).

23431744 is an abundant number, since it is smaller than the sum of its proper divisors (30180544).

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

23431744 is a wasteful number, since it uses less digits than its factorization.

23431744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 473 counting only the distinct ones).

The product of its digits is 8064, while the sum is 28.

The square root of 23431744 is about 4840.6346691317. The cubic root of 23431744 is about 286.1551312529.

The spelling of 23431744 in words is "twenty-three million, four hundred thirty-one thousand, seven hundred forty-four".