1164000623 has 4 divisors (see below), whose sum is σ = 1164079728. Its totient is φ = 1163921520.

The previous prime is 1164000601. The next prime is 1164000661. The reversal of 1164000623 is 3260004611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3260004611 = 2087 ⋅1562053.

It is a cyclic number.

It is not a de Polignac number, because 1164000623 - 2²⁶ = 1096891759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1164000223) 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, 10238 + ... + 49323.

It is an arithmetic number, because the mean of its divisors is an integer number (291019932).

Almost surely, 2^1164000623 is an apocalyptic number.

1164000623 is a deficient number, since it is larger than the sum of its proper divisors (79105).

1164000623 is an equidigital number, since it uses as much as digits as its factorization.

1164000623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79104.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1164000623 is about 34117.4533486894. The cubic root of 1164000623 is about 1051.9240979878.

The spelling of 1164000623 in words is "one billion, one hundred sixty-four million, six hundred twenty-three", and thus it is an aban number.