1423106660 has 24 divisors (see below), whose sum is σ = 3000163320. Its totient is φ = 567025664.

The previous prime is 1423106653. The next prime is 1423106719. The reversal of 1423106660 is 666013241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 388326436 + 1034780224 = 19706^2 + 32168^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133295 + ... + 143574.

It is an arithmetic number, because the mean of its divisors is an integer number (125006805).

Almost surely, 2^1423106660 is an apocalyptic number.

1423106660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423106660 is an abundant number, since it is smaller than the sum of its proper divisors (1577056660).

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

1423106660 is a wasteful number, since it uses less digits than its factorization.

1423106660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277135 (or 277133 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1423106660 is about 37724.0859398873. The cubic root of 1423106660 is about 1124.8099524236.

The spelling of 1423106660 in words is "one billion, four hundred twenty-three million, one hundred six thousand, six hundred sixty".