16423431075 has 96 divisors (see below), whose sum is σ = 30762763200. Its totient is φ = 8588160000.

The previous prime is 16423431067. The next prime is 16423431091. The reversal of 16423431075 is 57013432461.

16423431075 is a `hidden beast` number, since 1 + 642 + 3 + 4 + 3 + 1 + 0 + 7 + 5 = 666.

It is not a de Polignac number, because 16423431075 - 2³ = 16423431067 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23428225 + ... + 23428925.

It is an arithmetic number, because the mean of its divisors is an integer number (320445450).

Almost surely, 2^16423431075 is an apocalyptic number.

16423431075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16423431075 is a deficient number, since it is larger than the sum of its proper divisors (14339332125).

16423431075 is a wasteful number, since it uses less digits than its factorization.

16423431075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350 (or 1339 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 16423431075 in words is "sixteen billion, four hundred twenty-three million, four hundred thirty-one thousand, seventy-five".