1423561136 has 20 divisors (see below), whose sum is σ = 2786587272. Its totient is φ = 704441856.

The previous prime is 1423561099. The next prime is 1423561157. The reversal of 1423561136 is 6311653241.

It is a super-2 number, since 2×1423561136² = 4053052615859220992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457070 + ... + 460173.

Almost surely, 2^1423561136 is an apocalyptic number.

1423561136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1423561136 is a deficient number, since it is larger than the sum of its proper divisors (1363026136).

1423561136 is an equidigital number, since it uses as much as digits as its factorization.

1423561136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917348 (or 917342 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 1423561136 is about 37730.1091437594. The cubic root of 1423561136 is about 1124.9296775138.

The spelling of 1423561136 in words is "one billion, four hundred twenty-three million, five hundred sixty-one thousand, one hundred thirty-six".