15432355023 has 16 divisors (see below), whose sum is σ = 21375228672. Its totient is φ = 9895928000.

The previous prime is 15432354989. The next prime is 15432355067. The reversal of 15432355023 is 32055323451.

It is a cyclic number.

It is not a de Polignac number, because 15432355023 - 2¹⁴ = 15432338639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15432355073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 874833 + ... + 892298.

It is an arithmetic number, because the mean of its divisors is an integer number (1335951792).

Almost surely, 2^15432355023 is an apocalyptic number.

15432355023 is a deficient number, since it is larger than the sum of its proper divisors (5942873649).

15432355023 is a wasteful number, since it uses less digits than its factorization.

15432355023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767246.

The product of its (nonzero) digits is 54000, while the sum is 33.

Adding to 15432355023 its reverse (32055323451), we get a palindrome (47487678474).

The spelling of 15432355023 in words is "fifteen billion, four hundred thirty-two million, three hundred fifty-five thousand, twenty-three".