1423444100 has 36 divisors (see below), whose sum is σ = 3326482404. Its totient is φ = 525578880.

The previous prime is 1423444073. The next prime is 1423444123. The reversal of 1423444100 is 14443241.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1098304 + 1422345796 = 1048^2 + 37714^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 546179 + ... + 548778.

It is an arithmetic number, because the mean of its divisors is an integer number (92402289).

Almost surely, 2^1423444100 is an apocalyptic number.

1423444100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423444100 is an abundant number, since it is smaller than the sum of its proper divisors (1903038304).

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

1423444100 is a wasteful number, since it uses less digits than its factorization.

1423444100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094984 (or 1094977 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1423444100 is about 37728.5581489672. The cubic root of 1423444100 is about 1124.8988485187.

Adding to 1423444100 its reverse (14443241), we get a palindrome (1437887341).

The spelling of 1423444100 in words is "one billion, four hundred twenty-three million, four hundred forty-four thousand, one hundred".