1300231123 has 4 divisors (see below), whose sum is σ = 1368664360. Its totient is φ = 1231797888.

The previous prime is 1300231091. The next prime is 1300231133. The reversal of 1300231123 is 3211320031.

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 1300231123 - 2⁵ = 1300231091 is a prime.

It is a super-2 number, since 2×1300231123² = 3381201946435682258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1300231097 and 1300231106.

It is not an unprimeable number, because it can be changed into a prime (1300231133) 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, 34216590 + ... + 34216627.

It is an arithmetic number, because the mean of its divisors is an integer number (342166090).

Almost surely, 2^1300231123 is an apocalyptic number.

1300231123 is a deficient number, since it is larger than the sum of its proper divisors (68433237).

1300231123 is an equidigital number, since it uses as much as digits as its factorization.

1300231123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68433236.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1300231123 is about 36058.7177115327. The cubic root of 1300231123 is about 1091.4575576893.

Adding to 1300231123 its reverse (3211320031), we get a palindrome (4511551154).

The spelling of 1300231123 in words is "one billion, three hundred million, two hundred thirty-one thousand, one hundred twenty-three".