1423580811 has 8 divisors (see below), whose sum is σ = 1924109520. Its totient is φ = 936052992.

The previous prime is 1423580789. The next prime is 1423580839. The reversal of 1423580811 is 1180853241.

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

It is not a de Polignac number, because 1423580811 - 2¹⁸ = 1423318667 is a prime.

1423580811 is a modest number, since divided by 80811 gives 14235 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1423580881) 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, 3249966 + ... + 3250403.

It is an arithmetic number, because the mean of its divisors is an integer number (240513690).

Almost surely, 2^1423580811 is an apocalyptic number.

1423580811 is a deficient number, since it is larger than the sum of its proper divisors (500528709).

1423580811 is an equidigital number, since it uses as much as digits as its factorization.

1423580811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6500445.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 1423580811 is about 37730.3698762681. The cubic root of 1423580811 is about 1124.9348600308.

The spelling of 1423580811 in words is "one billion, four hundred twenty-three million, five hundred eighty thousand, eight hundred eleven".