1223140234 has 8 divisors (see below), whose sum is σ = 1838316420. Its totient is φ = 610368096.

The previous prime is 1223140229. The next prime is 1223140283. The reversal of 1223140234 is 4320413221.

It can be written as a sum of positive squares in 2 ways, for example, as 1221712209 + 1428025 = 34953^2 + 1195^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599739 + ... + 601774.

Almost surely, 2^1223140234 is an apocalyptic number.

1223140234 is a deficient number, since it is larger than the sum of its proper divisors (615176186).

1223140234 is a wasteful number, since it uses less digits than its factorization.

1223140234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202024.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1223140234 is about 34973.4218228643. The cubic root of 1223140234 is about 1069.4457297605.

Adding to 1223140234 its reverse (4320413221), we get a palindrome (5543553455).

The spelling of 1223140234 in words is "one billion, two hundred twenty-three million, one hundred forty thousand, two hundred thirty-four".