1423736140 has 12 divisors (see below), whose sum is σ = 2989845936. Its totient is φ = 569494448.

The previous prime is 1423736137. The next prime is 1423736159. The reversal of 1423736140 is 416373241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35593384 + ... + 35593423.

It is an arithmetic number, because the mean of its divisors is an integer number (249153828).

Almost surely, 2^1423736140 is an apocalyptic number.

1423736140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423736140 is an abundant number, since it is smaller than the sum of its proper divisors (1566109796).

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

1423736140 is a wasteful number, since it uses less digits than its factorization.

1423736140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71186816 (or 71186814 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 1423736140 is about 37732.4282282495. The cubic root of 1423736140 is about 1124.9757729762.

The spelling of 1423736140 in words is "one billion, four hundred twenty-three million, seven hundred thirty-six thousand, one hundred forty".