1423644970 has 32 divisors (see below), whose sum is σ = 2797079040. Its totient is φ = 517400640.

The previous prime is 1423644947. The next prime is 1423645033. The reversal of 1423644970 is 794463241.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367564 + ... + 371416.

It is an arithmetic number, because the mean of its divisors is an integer number (87408720).

Almost surely, 2^1423644970 is an apocalyptic number.

1423644970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1423644970 is a deficient number, since it is larger than the sum of its proper divisors (1373434070).

1423644970 is a wasteful number, since it uses less digits than its factorization.

1423644970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7230.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 1423644970 is about 37731.2200968906. The cubic root of 1423644970 is about 1124.9517595776.

The spelling of 1423644970 in words is "one billion, four hundred twenty-three million, six hundred forty-four thousand, nine hundred seventy".