1023561133 has 8 divisors (see below), whose sum is σ = 1170414720. Its totient is φ = 876865200.

The previous prime is 1023561107. The next prime is 1023561163. The reversal of 1023561133 is 3311653201.

1023561133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 1023561133 - 2⁵ = 1023561101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023561098 and 1023561107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023561163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25153 + ... + 51766.

It is an arithmetic number, because the mean of its divisors is an integer number (146301840).

Almost surely, 2^1023561133 is an apocalyptic number.

It is an amenable number.

1023561133 is a deficient number, since it is larger than the sum of its proper divisors (146853587).

1023561133 is an equidigital number, since it uses as much as digits as its factorization.

1023561133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78827.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 1023561133 is about 31993.1419682406. The cubic root of 1023561133 is about 1007.7928251286.

The spelling of 1023561133 in words is "one billion, twenty-three million, five hundred sixty-one thousand, one hundred thirty-three".