1423421577 has 24 divisors (see below), whose sum is σ = 2192692320. Its totient is φ = 886688640.

The previous prime is 1423421569. The next prime is 1423421599. The reversal of 1423421577 is 7751243241.

1423421577 is a `hidden beast` number, since 1 + 42 + 3 + 42 + 1 + 577 = 666.

It is not a de Polignac number, because 1423421577 - 2³ = 1423421569 is a prime.

It is a super-2 number, since 2×1423421577² = 4052257971738333858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1423421507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12199 + ... + 54732.

It is an arithmetic number, because the mean of its divisors is an integer number (91362180).

Almost surely, 2^1423421577 is an apocalyptic number.

1423421577 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1423421577 is a deficient number, since it is larger than the sum of its proper divisors (769270743).

1423421577 is a wasteful number, since it uses less digits than its factorization.

1423421577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67093 (or 67090 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 1423421577 is about 37728.2596603660. The cubic root of 1423421577 is about 1124.8929154370.

The spelling of 1423421577 in words is "one billion, four hundred twenty-three million, four hundred twenty-one thousand, five hundred seventy-seven".