123011413 has 6 divisors (see below), whose sum is σ = 143094966. Its totient is φ = 105438312.

The previous prime is 123011411. The next prime is 123011437. The reversal of 123011413 is 314110321.

It can be written as a sum of positive squares in only one way, i.e., 120165444 + 2845969 = 10962^2 + 1687^2 .

It is not a de Polignac number, because 123011413 - 2¹ = 123011411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123011411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1255170 + ... + 1255267.

It is an arithmetic number, because the mean of its divisors is an integer number (23849161).

Almost surely, 2^123011413 is an apocalyptic number.

It is an amenable number.

123011413 is a deficient number, since it is larger than the sum of its proper divisors (20083553).

123011413 is an equidigital number, since it uses as much as digits as its factorization.

123011413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510451 (or 2510444 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 123011413 is about 11091.0510322512. The cubic root of 123011413 is about 497.3343646982.

Adding to 123011413 its reverse (314110321), we get a palindrome (437121734).

The spelling of 123011413 in words is "one hundred twenty-three million, eleven thousand, four hundred thirteen".