23378944 has 66 divisors (see below), whose sum is σ = 50274320. Its totient is φ = 10862592.

The previous prime is 23378941. The next prime is 23378947. The reversal of 23378944 is 44987332.

It is an interprime number because it is at equal distance from previous prime (23378941) and next prime (23378947).

It is a junction number, because it is equal to n+sod(n) for n = 23378897 and 23378906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23378941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 295897 + ... + 295975.

Almost surely, 2^23378944 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 23378944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25137160).

23378944 is an abundant number, since it is smaller than the sum of its proper divisors (26895376).

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

23378944 is an equidigital number, since it uses as much as digits as its factorization.

23378944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 98 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 23378944 is about 4835.1777630197. The cubic root of 23378944 is about 285.9400333955.

The spelling of 23378944 in words is "twenty-three million, three hundred seventy-eight thousand, nine hundred forty-four".