123513371 has 4 divisors (see below), whose sum is σ = 123664272. Its totient is φ = 123362472.

The previous prime is 123513359. The next prime is 123513391. The reversal of 123513371 is 173315321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 173315321 = 19 ⋅9121859.

It is a cyclic number.

It is not a de Polignac number, because 123513371 - 2⁶ = 123513307 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123513371.

It is not an unprimeable number, because it can be changed into a prime (123513311) 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, 74216 + ... + 75861.

It is an arithmetic number, because the mean of its divisors is an integer number (30916068).

Almost surely, 2^123513371 is an apocalyptic number.

123513371 is a deficient number, since it is larger than the sum of its proper divisors (150901).

123513371 is an equidigital number, since it uses as much as digits as its factorization.

123513371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150900.

The product of its digits is 1890, while the sum is 26.

The square root of 123513371 is about 11113.6569588952. The cubic root of 123513371 is about 498.0099176533.

Adding to 123513371 its reverse (173315321), we get a palindrome (296828692).

The spelling of 123513371 in words is "one hundred twenty-three million, five hundred thirteen thousand, three hundred seventy-one".