1301011223 has 4 divisors (see below), whose sum is σ = 1301362920. Its totient is φ = 1300659528.

The previous prime is 1301011219. The next prime is 1301011249. The reversal of 1301011223 is 3221101031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3221101031 = 22807 ⋅141233.

It is a cyclic number.

It is not a de Polignac number, because 1301011223 - 2² = 1301011219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1301011198 and 1301011207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301011273) 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, 170240 + ... + 177717.

It is an arithmetic number, because the mean of its divisors is an integer number (325340730).

Almost surely, 2^1301011223 is an apocalyptic number.

1301011223 is a deficient number, since it is larger than the sum of its proper divisors (351697).

1301011223 is an equidigital number, since it uses as much as digits as its factorization.

1301011223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351696.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1301011223 is about 36069.5331685898. The cubic root of 1301011223 is about 1091.6757947401.

Adding to 1301011223 its reverse (3221101031), we get a palindrome (4522112254).

The spelling of 1301011223 in words is "one billion, three hundred one million, eleven thousand, two hundred twenty-three".