1423582121 has 8 divisors (see below), whose sum is σ = 1540795200. Its totient is φ = 1307470032.

The previous prime is 1423582103. The next prime is 1423582187. The reversal of 1423582121 is 1212853241.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1423582121 - 2¹⁰ = 1423581097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1423582921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272555 + ... + 277728.

It is an arithmetic number, because the mean of its divisors is an integer number (192599400).

Almost surely, 2^1423582121 is an apocalyptic number.

It is an amenable number.

1423582121 is a deficient number, since it is larger than the sum of its proper divisors (117213079).

1423582121 is a wasteful number, since it uses less digits than its factorization.

1423582121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550495.

The product of its digits is 3840, while the sum is 29.

The square root of 1423582121 is about 37730.3872362848. The cubic root of 1423582121 is about 1124.9352050912.

The spelling of 1423582121 in words is "one billion, four hundred twenty-three million, five hundred eighty-two thousand, one hundred twenty-one".