23146533 has 16 divisors (see below), whose sum is σ = 35783040. Its totient is φ = 14759712.

The previous prime is 23146507. The next prime is 23146547. The reversal of 23146533 is 33564132.

It is a happy number.

23146533 is a `hidden beast` number, since 2 + 3 + 1 + 4 + 653 + 3 = 666.

It is not a de Polignac number, because 23146533 - 2²⁴ = 6369317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 23146497 and 23146506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23146583) 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, 18016 + ... + 19257.

It is an arithmetic number, because the mean of its divisors is an integer number (2236440).

Almost surely, 2^23146533 is an apocalyptic number.

23146533 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23146533 is a deficient number, since it is larger than the sum of its proper divisors (12636507).

23146533 is a wasteful number, since it uses less digits than its factorization.

23146533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37305 (or 37299 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 23146533 is about 4811.0843891996. The cubic root of 23146533 is about 284.9893624839.

It can be divided in two parts, 231 and 46533, that added together give a palindrome (46764).

The spelling of 23146533 in words is "twenty-three million, one hundred forty-six thousand, five hundred thirty-three".