23820378 has 32 divisors (see below), whose sum is σ = 49758720. Its totient is φ = 7594560.

The previous prime is 23820367. The next prime is 23820389. The reversal of 23820378 is 87302832.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23820367) and next prime (23820389).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12663 + ... + 14421.

It is an arithmetic number, because the mean of its divisors is an integer number (1554960).

Almost surely, 2^23820378 is an apocalyptic number.

23820378 is an abundant number, since it is smaller than the sum of its proper divisors (25938342).

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

23820378 is a wasteful number, since it uses less digits than its factorization.

23820378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 23820378 is about 4880.6124615667. The cubic root of 23820378 is about 287.7285008883.

The spelling of 23820378 in words is "twenty-three million, eight hundred twenty thousand, three hundred seventy-eight".