1423665562 has 8 divisors (see below), whose sum is σ = 2329634592. Its totient is φ = 647120700.

The previous prime is 1423665533. The next prime is 1423665563. The reversal of 1423665562 is 2655663241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1423665563) by changing a digit.

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, 32356014 + ... + 32356057.

It is an arithmetic number, because the mean of its divisors is an integer number (291204324).

Almost surely, 2^1423665562 is an apocalyptic number.

1423665562 is a deficient number, since it is larger than the sum of its proper divisors (905969030).

1423665562 is a wasteful number, since it uses less digits than its factorization.

1423665562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64712084.

The product of its digits is 259200, while the sum is 40.

The square root of 1423665562 is about 37731.4929733770. The cubic root of 1423665562 is about 1124.9571834240.

The spelling of 1423665562 in words is "one billion, four hundred twenty-three million, six hundred sixty-five thousand, five hundred sixty-two".