23933620 has 24 divisors (see below), whose sum is σ = 53217864. Its totient is φ = 9010176.

The previous prime is 23933573. The next prime is 23933621. The reversal of 23933620 is 2633932.

It can be written as a sum of positive squares in 4 ways, for example, as 6411024 + 17522596 = 2532^2 + 4186^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23933621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34857 + ... + 35536.

It is an arithmetic number, because the mean of its divisors is an integer number (2217411).

Almost surely, 2^23933620 is an apocalyptic number.

23933620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23933620 is an abundant number, since it is smaller than the sum of its proper divisors (29284244).

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

23933620 is a wasteful number, since it uses less digits than its factorization.

23933620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70419 (or 70417 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 23933620 is about 4892.1999141491. The cubic root of 23933620 is about 288.1837337112.

The spelling of 23933620 in words is "twenty-three million, nine hundred thirty-three thousand, six hundred twenty".