1423833561 has 48 divisors (see below), whose sum is σ = 2240784000. Its totient is φ = 868471296.

The previous prime is 1423833547. The next prime is 1423833563. The reversal of 1423833561 is 1653383241.

1423833561 is a `hidden beast` number, since 14 + 2 + 3 + 83 + 3 + 561 = 666.

It is not a de Polignac number, because 1423833561 - 2⁵ = 1423833529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1423833563) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 677290 + ... + 679388.

It is an arithmetic number, because the mean of its divisors is an integer number (46683000).

Almost surely, 2^1423833561 is an apocalyptic number.

It is an amenable number.

1423833561 is a deficient number, since it is larger than the sum of its proper divisors (816950439).

1423833561 is a wasteful number, since it uses less digits than its factorization.

1423833561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270 (or 2267 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 1423833561 is about 37733.7191514433. The cubic root of 1423833561 is about 1125.0014317019.

The spelling of 1423833561 in words is "one billion, four hundred twenty-three million, eight hundred thirty-three thousand, five hundred sixty-one".