1423993044 has 24 divisors (see below), whose sum is σ = 3323291328. Its totient is φ = 474572800.

The previous prime is 1423993007. The next prime is 1423993079. The reversal of 1423993044 is 4403993241.

It is a junction number, because it is equal to n+sod(n) for n = 1423992993 and 1423993011.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 87769 + ... + 102719.

It is an arithmetic number, because the mean of its divisors is an integer number (138470472).

Almost surely, 2^1423993044 is an apocalyptic number.

It is an amenable number.

1423993044 is an abundant number, since it is smaller than the sum of its proper divisors (1899298284).

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

1423993044 is a wasteful number, since it uses less digits than its factorization.

1423993044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22895 (or 22893 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 1423993044 is about 37735.8323612982. The cubic root of 1423993044 is about 1125.0434337799.

The spelling of 1423993044 in words is "one billion, four hundred twenty-three million, nine hundred ninety-three thousand, forty-four".