23345778 has 8 divisors (see below), whose sum is σ = 46691568. Its totient is φ = 7781924.

The previous prime is 23345771. The next prime is 23345801. The reversal of 23345778 is 87754332.

It is a sphenic number, since it is the product of 3 distinct primes.

23345778 is an admirable number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (23345771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1945476 + ... + 1945487.

It is an arithmetic number, because the mean of its divisors is an integer number (5836446).

Almost surely, 2^23345778 is an apocalyptic number.

23345778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23345778 is a wasteful number, since it uses less digits than its factorization.

23345778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3890968.

The product of its digits is 141120, while the sum is 39.

The square root of 23345778 is about 4831.7468890661. The cubic root of 23345778 is about 285.8047553265.

The spelling of 23345778 in words is "twenty-three million, three hundred forty-five thousand, seven hundred seventy-eight".