23131033 has 8 divisors (see below), whose sum is σ = 25062048. Its totient is φ = 21263424.

The previous prime is 23131027. The next prime is 23131057. The reversal of 23131033 is 33013132.

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

It is a cyclic number.

It is not a de Polignac number, because 23131033 - 2⁵ = 23131001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23130998 and 23131016.

It is not an unprimeable number, because it can be changed into a prime (23131333) 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, 15091 + ... + 16552.

It is an arithmetic number, because the mean of its divisors is an integer number (3132756).

Almost surely, 2^23131033 is an apocalyptic number.

It is an amenable number.

23131033 is a deficient number, since it is larger than the sum of its proper divisors (1931015).

23131033 is a wasteful number, since it uses less digits than its factorization.

23131033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31703.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 23131033 is about 4809.4732559814. The cubic root of 23131033 is about 284.9257342146.

Adding to 23131033 its reverse (33013132), we get a palindrome (56144165).

The spelling of 23131033 in words is "twenty-three million, one hundred thirty-one thousand, thirty-three".