23154301533 has 16 divisors (see below), whose sum is σ = 34153339392. Its totient is φ = 13835262000.

The previous prime is 23154301451. The next prime is 23154301571. The reversal of 23154301533 is 33510345132.

It is not a de Polignac number, because 23154301533 - 2¹⁶ = 23154235997 is a prime.

It is a super-2 number, since 2×23154301533² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23154301533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23154301033) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4938823 + ... + 4943508.

It is an arithmetic number, because the mean of its divisors is an integer number (2134583712).

Almost surely, 2^23154301533 is an apocalyptic number.

It is an amenable number.

23154301533 is a deficient number, since it is larger than the sum of its proper divisors (10999037859).

23154301533 is a wasteful number, since it uses less digits than its factorization.

23154301533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9882416.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 23154301533 its reverse (33510345132), we get a palindrome (56664646665).

The spelling of 23154301533 in words is "twenty-three billion, one hundred fifty-four million, three hundred one thousand, five hundred thirty-three".