802133123 has 4 divisors (see below), whose sum is σ = 875054328. Its totient is φ = 729211920.

The previous prime is 802133093. The next prime is 802133173. The reversal of 802133123 is 321331208.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 802133123 - 2²² = 797938819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (802133173) 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, 36460586 + ... + 36460607.

It is an arithmetic number, because the mean of its divisors is an integer number (218763582).

Almost surely, 2^802133123 is an apocalyptic number.

802133123 is a deficient number, since it is larger than the sum of its proper divisors (72921205).

802133123 is a wasteful number, since it uses less digits than its factorization.

802133123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72921204.

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

The square root of 802133123 is about 28321.9547877614. The cubic root of 802133123 is about 929.1421244574.

The spelling of 802133123 in words is "eight hundred two million, one hundred thirty-three thousand, one hundred twenty-three".