1201613423 has 8 divisors (see below), whose sum is σ = 1208608128. Its totient is φ = 1194633504.

The previous prime is 1201613419. The next prime is 1201613429. The reversal of 1201613423 is 3243161021.

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 1201613423 - 2² = 1201613419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201613429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187061 + ... + 193377.

It is an arithmetic number, because the mean of its divisors is an integer number (151076016).

Almost surely, 2^1201613423 is an apocalyptic number.

1201613423 is a deficient number, since it is larger than the sum of its proper divisors (6994705).

1201613423 is an equidigital number, since it uses as much as digits as its factorization.

1201613423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7393.

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

The square root of 1201613423 is about 34664.2960840113. The cubic root of 1201613423 is about 1063.1346108352.

Adding to 1201613423 its reverse (3243161021), we get a palindrome (4444774444).

The spelling of 1201613423 in words is "one billion, two hundred one million, six hundred thirteen thousand, four hundred twenty-three".