1423811823 has 8 divisors (see below), whose sum is σ = 2169618048. Its totient is φ = 813606744.

The previous prime is 1423811821. The next prime is 1423811827. The reversal of 1423811823 is 3281183241.

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

It is not a de Polignac number, because 1423811823 - 2¹ = 1423811821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423811821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33900261 + ... + 33900302.

It is an arithmetic number, because the mean of its divisors is an integer number (271202256).

Almost surely, 2^1423811823 is an apocalyptic number.

1423811823 is a deficient number, since it is larger than the sum of its proper divisors (745806225).

1423811823 is an equidigital number, since it uses as much as digits as its factorization.

1423811823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67800573.

The product of its digits is 9216, while the sum is 33.

The square root of 1423811823 is about 37733.4311055859. The cubic root of 1423811823 is about 1124.9957064527.

The spelling of 1423811823 in words is "one billion, four hundred twenty-three million, eight hundred eleven thousand, eight hundred twenty-three".