15532331023 has 16 divisors (see below), whose sum is σ = 17082395136. Its totient is φ = 14005448640.

The previous prime is 15532330999. The next prime is 15532331029. The reversal of 15532331023 is 32013323551.

15532331023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 15532331023 - 2⁹ = 15532330511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15532330982 and 15532331000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15532331029) 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, 2140840 + ... + 2148082.

It is an arithmetic number, because the mean of its divisors is an integer number (1067649696).

Almost surely, 2^15532331023 is an apocalyptic number.

15532331023 is a deficient number, since it is larger than the sum of its proper divisors (1550064113).

15532331023 is a wasteful number, since it uses less digits than its factorization.

15532331023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8814.

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 15532331023 its reverse (32013323551), we get a palindrome (47545654574).

The spelling of 15532331023 in words is "fifteen billion, five hundred thirty-two million, three hundred thirty-one thousand, twenty-three".