15320733423 has 8 divisors (see below), whose sum is σ = 20500341936. Its totient is φ = 10177473600.

The previous prime is 15320733419. The next prime is 15320733443. The reversal of 15320733423 is 32433702351.

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

It is not a de Polignac number, because 15320733423 - 2² = 15320733419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15320733443) 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, 9086188 + ... + 9087873.

It is an arithmetic number, because the mean of its divisors is an integer number (2562542742).

Almost surely, 2^15320733423 is an apocalyptic number.

15320733423 is a deficient number, since it is larger than the sum of its proper divisors (5179608513).

15320733423 is a wasteful number, since it uses less digits than its factorization.

15320733423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18174345.

The product of its (nonzero) digits is 45360, while the sum is 33.

The spelling of 15320733423 in words is "fifteen billion, three hundred twenty million, seven hundred thirty-three thousand, four hundred twenty-three".