1423796805 has 32 divisors (see below), whose sum is σ = 2533507200. Its totient is φ = 758664576.

The previous prime is 1423796771. The next prime is 1423796819. The reversal of 1423796805 is 5086973241.

1423796805 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1423796805 - 2¹² = 1423792709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

1423796805 is strictly pandigital in base 10.

It is a Curzon number.

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, 165777 + ... + 174153.

It is an arithmetic number, because the mean of its divisors is an integer number (79172100).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1423796805 = 2847593610, but 3⋅1423796805 = 4271390415 is not.

Almost surely, 2^1423796805 is an apocalyptic number.

1423796805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1423796805 is a deficient number, since it is larger than the sum of its proper divisors (1109710395).

1423796805 is a wasteful number, since it uses less digits than its factorization.

1423796805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9650 (or 9644 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1423796805 is about 37733.2321038100. The cubic root of 1423796805 is about 1124.9917510506.

The spelling of 1423796805 in words is "one billion, four hundred twenty-three million, seven hundred ninety-six thousand, eight hundred five".