1123463641 has 4 divisors (see below), whose sum is σ = 1123552512. Its totient is φ = 1123374772.

The previous prime is 1123463639. The next prime is 1123463647. The reversal of 1123463641 is 1463643211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1123463641 - 2¹ = 1123463639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123463647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21541 + ... + 52066.

It is an arithmetic number, because the mean of its divisors is an integer number (280888128).

Almost surely, 2^1123463641 is an apocalyptic number.

It is an amenable number.

1123463641 is a deficient number, since it is larger than the sum of its proper divisors (88871).

1123463641 is an equidigital number, since it uses as much as digits as its factorization.

1123463641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88870.

The product of its digits is 10368, while the sum is 31.

The square root of 1123463641 is about 33518.1091501296. The cubic root of 1123463641 is about 1039.5682505821.

The spelling of 1123463641 in words is "one billion, one hundred twenty-three million, four hundred sixty-three thousand, six hundred forty-one".