1423035340 has 12 divisors (see below), whose sum is σ = 2988374256. Its totient is φ = 569214128.

The previous prime is 1423035301. The next prime is 1423035347. The reversal of 1423035340 is 435303241.

It is not an unprimeable number, because it can be changed into a prime (1423035347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35575864 + ... + 35575903.

It is an arithmetic number, because the mean of its divisors is an integer number (249031188).

Almost surely, 2^1423035340 is an apocalyptic number.

1423035340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423035340 is an abundant number, since it is smaller than the sum of its proper divisors (1565338916).

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

1423035340 is a wasteful number, since it uses less digits than its factorization.

1423035340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71151776 (or 71151774 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 1423035340 is about 37723.1406433770. The cubic root of 1423035340 is about 1124.7911618934.

Adding to 1423035340 its reverse (435303241), we get a palindrome (1858338581).

The spelling of 1423035340 in words is "one billion, four hundred twenty-three million, thirty-five thousand, three hundred forty".