15534242023 has 8 divisors (see below), whose sum is σ = 15967416080. Its totient is φ = 15101769600.

The previous prime is 15534241999. The next prime is 15534242039. The reversal of 15534242023 is 32024243551.

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

It is a cyclic number.

It is not a de Polignac number, because 15534242023 - 2²⁹ = 14997371111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15534222023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130353 + ... + 219226.

It is an arithmetic number, because the mean of its divisors is an integer number (1995927010).

Almost surely, 2^15534242023 is an apocalyptic number.

15534242023 is a deficient number, since it is larger than the sum of its proper divisors (433174057).

15534242023 is a wasteful number, since it uses less digits than its factorization.

15534242023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350817.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 15534242023 its reverse (32024243551), we get a palindrome (47558485574).

The spelling of 15534242023 in words is "fifteen billion, five hundred thirty-four million, two hundred forty-two thousand, twenty-three".