23131303530545 has 8 divisors (see below), whose sum is σ = 31722930556224. Its totient is φ = 15861465278064.

The previous prime is 23131303530497. The next prime is 23131303530551. The reversal of 23131303530545 is 54503530313132.

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

It is not a de Polignac number, because 23131303530545 - 2¹² = 23131303526449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23131303530499 and 23131303530508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330447193259 + ... + 330447193328.

It is an arithmetic number, because the mean of its divisors is an integer number (3965366319528).

Almost surely, 2^{23131303530545} is an apocalyptic number.

It is an amenable number.

23131303530545 is a deficient number, since it is larger than the sum of its proper divisors (8591627025679).

23131303530545 is an equidigital number, since it uses as much as digits as its factorization.

23131303530545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660894386599.

The product of its (nonzero) digits is 243000, while the sum is 38.

Adding to 23131303530545 its reverse (54503530313132), we get a palindrome (77634833843677).

The spelling of 23131303530545 in words is "twenty-three trillion, one hundred thirty-one billion, three hundred three million, five hundred thirty thousand, five hundred forty-five".