23521983 has 8 divisors (see below), whose sum is σ = 31954608. Its totient is φ = 15385344.

The previous prime is 23521961. The next prime is 23522003. The reversal of 23521983 is 38912532.

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

It is not a de Polignac number, because 23521983 - 2⁶ = 23521919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23521913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73810 + ... + 74127.

It is an arithmetic number, because the mean of its divisors is an integer number (3994326).

Almost surely, 2^23521983 is an apocalyptic number.

23521983 is a deficient number, since it is larger than the sum of its proper divisors (8432625).

23521983 is a wasteful number, since it uses less digits than its factorization.

23521983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147993.

The product of its digits is 12960, while the sum is 33.

The square root of 23521983 is about 4849.9467007381. The cubic root of 23521983 is about 286.5220021540.

The spelling of 23521983 in words is "twenty-three million, five hundred twenty-one thousand, nine hundred eighty-three".