1423120161 has 8 divisors (see below), whose sum is σ = 1962924480. Its totient is φ = 916031312.

The previous prime is 1423120151. The next prime is 1423120163. The reversal of 1423120161 is 1610213241.

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 1423120161 - 2¹¹ = 1423118113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1423120163) 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, 8178765 + ... + 8178938.

It is an arithmetic number, because the mean of its divisors is an integer number (245365560).

Almost surely, 2^1423120161 is an apocalyptic number.

It is an amenable number.

1423120161 is a deficient number, since it is larger than the sum of its proper divisors (539804319).

1423120161 is a wasteful number, since it uses less digits than its factorization.

1423120161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16357735.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1423120161 is about 37724.2648834938. The cubic root of 1423120161 is about 1124.8135094330.

The spelling of 1423120161 in words is "one billion, four hundred twenty-three million, one hundred twenty thousand, one hundred sixty-one".