1423070208 has 528 divisors, whose sum is σ = 5245560320. Its totient is φ = 376233984.

The previous prime is 1423070203. The next prime is 1423070261. The reversal of 1423070208 is 8020703241.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423070203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33094635 + ... + 33094677.

Almost surely, 2^1423070208 is an apocalyptic number.

1423070208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423070208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2622780160).

1423070208 is an abundant number, since it is smaller than the sum of its proper divisors (3822490112).

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

1423070208 is an equidigital number, since it uses as much as digits as its factorization.

1423070208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 1423070208 is about 37723.6027971879. The cubic root of 1423070208 is about 1124.8003485704.

Adding to 1423070208 its reverse (8020703241), we get a palindrome (9443773449).

The spelling of 1423070208 in words is "one billion, four hundred twenty-three million, seventy thousand, two hundred eight".