1324421123 has 4 divisors (see below), whose sum is σ = 1340378088. Its totient is φ = 1308464160.
The previous prime is 1324421117. The next prime is 1324421143. The reversal of 1324421123 is 3211244231.
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 1324421123 - 24 = 1324421107 is a prime.
It is a super-2 number, since 2×13244211232 = 3508182622097162258, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1324421143) 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, 7978358 + ... + 7978523.
It is an arithmetic number, because the mean of its divisors is an integer number (335094522).
Almost surely, 21324421123 is an apocalyptic number.
1324421123 is a deficient number, since it is larger than the sum of its proper divisors (15956965).
1324421123 is an equidigital number, since it uses as much as digits as its factorization.
1324421123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15956964.
The product of its digits is 1152, while the sum is 23.
The square root of 1324421123 is about 36392.5970906172. The cubic root of 1324421123 is about 1098.1846429097.
Adding to 1324421123 its reverse (3211244231), we get a palindrome (4535665354).
The spelling of 1324421123 in words is "one billion, three hundred twenty-four million, four hundred twenty-one thousand, one hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •