1310123153 has 2 divisors, whose sum is σ = 1310123154. Its totient is φ = 1310123152.

The previous prime is 1310123149. The next prime is 1310123197. The reversal of 1310123153 is 3513210131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1273918864 + 36204289 = 35692^2 + 6017^2 .

It is an emirp because it is prime and its reverse (3513210131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1310123153 - 2² = 1310123149 is a prime.

It is a super-2 number, since 2×1310123153² = 3432845352053322818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1310125153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655061576 + 655061577.

It is an arithmetic number, because the mean of its divisors is an integer number (655061577).

Almost surely, 2^1310123153 is an apocalyptic number.

It is an amenable number.

1310123153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310123153 is an equidigital number, since it uses as much as digits as its factorization.

1310123153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 1310123153 is about 36195.6233956538. The cubic root of 1310123153 is about 1094.2184683462.

Adding to 1310123153 its reverse (3513210131), we get a palindrome (4823333284).

The spelling of 1310123153 in words is "one billion, three hundred ten million, one hundred twenty-three thousand, one hundred fifty-three".