1223133513 has 8 divisors (see below), whose sum is σ = 1863822528. Its totient is φ = 698933424.

The previous prime is 1223133511. The next prime is 1223133553. The reversal of 1223133513 is 3153313221.

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

It is not a de Polignac number, because 1223133513 - 2¹ = 1223133511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1223133511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29122206 + ... + 29122247.

It is an arithmetic number, because the mean of its divisors is an integer number (232977816).

Almost surely, 2^1223133513 is an apocalyptic number.

It is an amenable number.

1223133513 is a deficient number, since it is larger than the sum of its proper divisors (640689015).

1223133513 is an equidigital number, since it uses as much as digits as its factorization.

1223133513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58244463.

The product of its digits is 1620, while the sum is 24.

The square root of 1223133513 is about 34973.3257354802. The cubic root of 1223133513 is about 1069.4437709342.

Adding to 1223133513 its reverse (3153313221), we get a palindrome (4376446734).

The spelling of 1223133513 in words is "one billion, two hundred twenty-three million, one hundred thirty-three thousand, five hundred thirteen".