1201214323 has 4 divisors (see below), whose sum is σ = 1202497240. Its totient is φ = 1199931408.

The previous prime is 1201214321. The next prime is 1201214327. The reversal of 1201214323 is 3234121021.

It is a happy number.

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 1201214323 - 2¹ = 1201214321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201214323.

It is not an unprimeable number, because it can be changed into a prime (1201214321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640053 + ... + 641926.

It is an arithmetic number, because the mean of its divisors is an integer number (300624310).

Almost surely, 2^1201214323 is an apocalyptic number.

1201214323 is a deficient number, since it is larger than the sum of its proper divisors (1282917).

1201214323 is an equidigital number, since it uses as much as digits as its factorization.

1201214323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282916.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1201214323 is about 34658.5389622817. The cubic root of 1201214323 is about 1063.0168957702.

Adding to 1201214323 its reverse (3234121021), we get a palindrome (4435335344).

It can be divided in two parts, 12012 and 14323, that added together give a triangular number (26335 = T₂₂₉).

The spelling of 1201214323 in words is "one billion, two hundred one million, two hundred fourteen thousand, three hundred twenty-three".