780023234 has 8 divisors (see below), whose sum is σ = 1183181580. Its totient is φ = 385629376.

The previous prime is 780023227. The next prime is 780023243. The reversal of 780023234 is 432320087.

It can be written as a sum of positive squares in 2 ways, for example, as 767456209 + 12567025 = 27703^2 + 3545^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 780023197 and 780023206.

It is an unprimeable number.

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, 2190899 + ... + 2191254.

Almost surely, 2^780023234 is an apocalyptic number.

780023234 is a deficient number, since it is larger than the sum of its proper divisors (403158346).

780023234 is a wasteful number, since it uses less digits than its factorization.

780023234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4382244.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 780023234 is about 27928.8960397650. The cubic root of 780023234 is about 920.5255480233.

The spelling of 780023234 in words is "seven hundred eighty million, twenty-three thousand, two hundred thirty-four".