123187413 has 8 divisors (see below), whose sum is σ = 165258208. Its totient is φ = 81620784.

The previous prime is 123187409. The next prime is 123187433. The reversal of 123187413 is 314781321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123187413 - 2² = 123187409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123187433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125470 + ... + 126447.

It is an arithmetic number, because the mean of its divisors is an integer number (20657276).

Almost surely, 2^123187413 is an apocalyptic number.

It is an amenable number.

123187413 is a deficient number, since it is larger than the sum of its proper divisors (42070795).

123187413 is a wasteful number, since it uses less digits than its factorization.

123187413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252083.

The product of its digits is 4032, while the sum is 30.

The square root of 123187413 is about 11098.9825209341. The cubic root of 123187413 is about 497.5714406300.

The spelling of 123187413 in words is "one hundred twenty-three million, one hundred eighty-seven thousand, four hundred thirteen".