1423210544 has 20 divisors (see below), whose sum is σ = 3151395024. Its totient is φ = 609947328.

The previous prime is 1423210541. The next prime is 1423210559. The reversal of 1423210544 is 4450123241.

It is not an unprimeable number, because it can be changed into a prime (1423210541) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6353507 + ... + 6353730.

Almost surely, 2^1423210544 is an apocalyptic number.

1423210544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1423210544 is an abundant number, since it is smaller than the sum of its proper divisors (1728184480).

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

1423210544 is a wasteful number, since it uses less digits than its factorization.

1423210544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12707252 (or 12707246 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1423210544 is about 37725.4628069690. The cubic root of 1423210544 is about 1124.8373213991.

Adding to 1423210544 its reverse (4450123241), we get a palindrome (5873333785).

The spelling of 1423210544 in words is "one billion, four hundred twenty-three million, two hundred ten thousand, five hundred forty-four".