23313545 has 8 divisors (see below), whose sum is σ = 29622024. Its totient is φ = 17553664.

The previous prime is 23313541. The next prime is 23313553. The reversal of 23313545 is 54531332.

It can be written as a sum of positive squares in 4 ways, for example, as 3341584 + 19971961 = 1828^2 + 4469^2 .

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 23313545 - 2² = 23313541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23313541) 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, 137054 + ... + 137223.

It is an arithmetic number, because the mean of its divisors is an integer number (3702753).

Almost surely, 2^23313545 is an apocalyptic number.

It is an amenable number.

23313545 is a deficient number, since it is larger than the sum of its proper divisors (6308479).

23313545 is a wasteful number, since it uses less digits than its factorization.

23313545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274299.

The product of its digits is 5400, while the sum is 26.

The square root of 23313545 is about 4828.4101938423. The cubic root of 23313545 is about 285.6731599735.

Adding to 23313545 its reverse (54531332), we get a palindrome (77844877).

The spelling of 23313545 in words is "twenty-three million, three hundred thirteen thousand, five hundred forty-five".