23535121450 has 24 divisors (see below), whose sum is σ = 45678603168. Its totient is φ = 9004741680.

The previous prime is 23535121411. The next prime is 23535121451. The reversal of 23535121450 is 5412153532.

It is not an unprimeable number, because it can be changed into a prime (23535121451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10231512 + ... + 10233811.

It is an arithmetic number, because the mean of its divisors is an integer number (1903275132).

Almost surely, 2^23535121450 is an apocalyptic number.

23535121450 is a deficient number, since it is larger than the sum of its proper divisors (22143481718).

23535121450 is a wasteful number, since it uses less digits than its factorization.

23535121450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20465358 (or 20465353 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 23535121450 its reverse (5412153532), we get a palindrome (28947274982).

The spelling of 23535121450 in words is "twenty-three billion, five hundred thirty-five million, one hundred twenty-one thousand, four hundred fifty".