16403125323 has 8 divisors (see below), whose sum is σ = 23553205648. Its totient is φ = 10094230944.

The previous prime is 16403125301. The next prime is 16403125327. The reversal of 16403125323 is 32352130461.

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

It is not a de Polignac number, because 16403125323 - 2¹⁸ = 16402863179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16403125327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210296440 + ... + 210296517.

It is an arithmetic number, because the mean of its divisors is an integer number (2944150706).

Almost surely, 2^16403125323 is an apocalyptic number.

16403125323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16403125323 is a deficient number, since it is larger than the sum of its proper divisors (7150080325).

16403125323 is a wasteful number, since it uses less digits than its factorization.

16403125323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420592973.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 16403125323 its reverse (32352130461), we get a palindrome (48755255784).

The spelling of 16403125323 in words is "sixteen billion, four hundred three million, one hundred twenty-five thousand, three hundred twenty-three".