16423301272 has 128 divisors (see below), whose sum is σ = 36878561280. Its totient is φ = 6709248000.

The previous prime is 16423301201. The next prime is 16423301311. The reversal of 16423301272 is 27210332461.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58445772 + ... + 58446052.

It is an arithmetic number, because the mean of its divisors is an integer number (288113760).

Almost surely, 2^16423301272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16423301272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18439280640).

16423301272 is an abundant number, since it is smaller than the sum of its proper divisors (20455260008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16423301272 is a wasteful number, since it uses less digits than its factorization.

16423301272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 16423301272 in words is "sixteen billion, four hundred twenty-three million, three hundred one thousand, two hundred seventy-two".