1123476427 has 2 divisors, whose sum is σ = 1123476428. Its totient is φ = 1123476426.

The previous prime is 1123476421. The next prime is 1123476451. The reversal of 1123476427 is 7246743211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1123476427 - 2¹⁹ = 1122952139 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123476421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561738213 + 561738214.

It is an arithmetic number, because the mean of its divisors is an integer number (561738214).

Almost surely, 2^1123476427 is an apocalyptic number.

1123476427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123476427 is an equidigital number, since it uses as much as digits as its factorization.

1123476427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 37.

The square root of 1123476427 is about 33518.2998823031. The cubic root of 1123476427 is about 1039.5721942995.

The spelling of 1123476427 in words is "one billion, one hundred twenty-three million, four hundred seventy-six thousand, four hundred twenty-seven".