23289948 has 72 divisors (see below), whose sum is σ = 64960896. Its totient is φ = 6976800.

The previous prime is 23289943. The next prime is 23289979. The reversal of 23289948 is 84998232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23289943) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 40503 + ... + 41073.

Almost surely, 2^23289948 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 23289948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32480448).

23289948 is an abundant number, since it is smaller than the sum of its proper divisors (41670948).

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

23289948 is a wasteful number, since it uses less digits than its factorization.

23289948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 690 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 23289948 is about 4825.9660172861. The cubic root of 23289948 is about 285.5767452760.

The spelling of 23289948 in words is "twenty-three million, two hundred eighty-nine thousand, nine hundred forty-eight".