655416420123 has 8 divisors (see below), whose sum is σ = 874201009168. Its totient is φ = 436788055584.

The previous prime is 655416420089. The next prime is 655416420133. The reversal of 655416420123 is 321024614556.

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

It is not a de Polignac number, because 655416420123 - 2⁶ = 655416420059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655416420133) 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, 39046336 + ... + 39063117.

It is an arithmetic number, because the mean of its divisors is an integer number (109275126146).

Almost surely, 2^655416420123 is an apocalyptic number.

655416420123 is a deficient number, since it is larger than the sum of its proper divisors (218784589045).

655416420123 is a wasteful number, since it uses less digits than its factorization.

655416420123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78112253.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 655416420123 in words is "six hundred fifty-five billion, four hundred sixteen million, four hundred twenty thousand, one hundred twenty-three".