23378040 has 96 divisors (see below), whose sum is σ = 86842080. Its totient is φ = 5342976.

The previous prime is 23378023. The next prime is 23378041. The reversal of 23378040 is 4087332.

It is a junction number, because it is equal to n+sod(n) for n = 23377995 and 23378013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23378041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2119 + ... + 7158.

It is an arithmetic number, because the mean of its divisors is an integer number (904605).

Almost surely, 2^23378040 is an apocalyptic number.

23378040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23378040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43421040).

23378040 is an abundant number, since it is smaller than the sum of its proper divisors (63464040).

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

23378040 is a wasteful number, since it uses less digits than its factorization.

23378040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9301 (or 9294 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 23378040 is about 4835.0842805478. The cubic root of 23378040 is about 285.9363478409.

The spelling of 23378040 in words is "twenty-three million, three hundred seventy-eight thousand, forty".