23513255242 has 8 divisors (see below), whose sum is σ = 35593460100. Its totient is φ = 11648768544.

The previous prime is 23513255209. The next prime is 23513255257. The reversal of 23513255242 is 24255231532.

It can be written as a sum of positive squares in 2 ways, for example, as 21874705801 + 1638549441 = 147901^2 + 40479^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 23513255198 and 23513255207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53929267 + ... + 53929702.

Almost surely, 2^23513255242 is an apocalyptic number.

23513255242 is a deficient number, since it is larger than the sum of its proper divisors (12080204858).

23513255242 is a wasteful number, since it uses less digits than its factorization.

23513255242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107859080.

The product of its digits is 72000, while the sum is 34.

Adding to 23513255242 its reverse (24255231532), we get a palindrome (47768486774).

The spelling of 23513255242 in words is "twenty-three billion, five hundred thirteen million, two hundred fifty-five thousand, two hundred forty-two".