23133577 has 2 divisors, whose sum is σ = 23133578. Its totient is φ = 23133576.

The previous prime is 23133569. The next prime is 23133589. The reversal of 23133577 is 77533132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17272336 + 5861241 = 4156^2 + 2421^2 .

It is a cyclic number.

It is not a de Polignac number, because 23133577 - 2³ = 23133569 is a prime.

It is not a weakly prime, because it can be changed into another prime (23133977) 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 as a sum of consecutive naturals, namely, 11566788 + 11566789.

It is an arithmetic number, because the mean of its divisors is an integer number (11566789).

Almost surely, 2^23133577 is an apocalyptic number.

It is an amenable number.

23133577 is a deficient number, since it is larger than the sum of its proper divisors (1).

23133577 is an equidigital number, since it uses as much as digits as its factorization.

23133577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13230, while the sum is 31.

The square root of 23133577 is about 4809.7377267373. The cubic root of 23133577 is about 284.9361794102.

The spelling of 23133577 in words is "twenty-three million, one hundred thirty-three thousand, five hundred seventy-seven".