1427828823 has 16 divisors (see below), whose sum is σ = 2134712800. Its totient is φ = 943151040.

The previous prime is 1427828821. The next prime is 1427828863. The reversal of 1427828823 is 3288287241.

It is not a de Polignac number, because 1427828823 - 2¹ = 1427828821 is a prime.

It is a super-3 number, since 3×1427828823³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427828821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239638 + ... + 245523.

It is an arithmetic number, because the mean of its divisors is an integer number (133419550).

Almost surely, 2^1427828823 is an apocalyptic number.

1427828823 is a deficient number, since it is larger than the sum of its proper divisors (706883977).

1427828823 is a wasteful number, since it uses less digits than its factorization.

1427828823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485279 (or 485273 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 1427828823 is about 37786.6222756150. The cubic root of 1427828823 is about 1126.0526964307.

The spelling of 1427828823 in words is "one billion, four hundred twenty-seven million, eight hundred twenty-eight thousand, eight hundred twenty-three".