23021933 has 16 divisors (see below), whose sum is σ = 26138112. Its totient is φ = 20088000.

The previous prime is 23021923. The next prime is 23021941. The reversal of 23021933 is 33912032.

It is not a de Polignac number, because 23021933 - 2⁴ = 23021917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23021899 and 23021908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61535 + ... + 61907.

It is an arithmetic number, because the mean of its divisors is an integer number (1633632).

Almost surely, 2^23021933 is an apocalyptic number.

It is an amenable number.

23021933 is a deficient number, since it is larger than the sum of its proper divisors (3116179).

23021933 is a wasteful number, since it uses less digits than its factorization.

23021933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 23021933 is about 4798.1176517464. The cubic root of 23021933 is about 284.4770671417.

Adding to 23021933 its reverse (33912032), we get a palindrome (56933965).

The spelling of 23021933 in words is "twenty-three million, twenty-one thousand, nine hundred thirty-three".