1423010340 has 72 divisors (see below), whose sum is σ = 4342403520. Its totient is φ = 377189184.

The previous prime is 1423010333. The next prime is 1423010353. The reversal of 1423010340 is 430103241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6391 + ... + 53729.

It is an arithmetic number, because the mean of its divisors is an integer number (60311160).

Almost surely, 2^1423010340 is an apocalyptic number.

1423010340 is a gapful number since it is divisible by the number (10) 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 1423010340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2171201760).

1423010340 is an abundant number, since it is smaller than the sum of its proper divisors (2919393180).

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

1423010340 is a wasteful number, since it uses less digits than its factorization.

1423010340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47521 (or 47516 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1423010340 is about 37722.8092803280. The cubic root of 1423010340 is about 1124.7845750475.

Adding to 1423010340 its reverse (430103241), we get a palindrome (1853113581).

The spelling of 1423010340 in words is "one billion, four hundred twenty-three million, ten thousand, three hundred forty".