655123446 has 24 divisors (see below), whose sum is σ = 1426796280. Its totient is φ = 217241856.

The previous prime is 655123423. The next prime is 655123453. The reversal of 655123446 is 644321556.

It is a self number, because there is not a number n which added to its sum of digits gives 655123446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90816 + ... + 97763.

It is an arithmetic number, because the mean of its divisors is an integer number (59449845).

Almost surely, 2^655123446 is an apocalyptic number.

655123446 is an abundant number, since it is smaller than the sum of its proper divisors (771672834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

655123446 is a wasteful number, since it uses less digits than its factorization.

655123446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188780 (or 188777 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 655123446 is about 25595.3793876942. The cubic root of 655123446 is about 868.5091152373.

The spelling of 655123446 in words is "six hundred fifty-five million, one hundred twenty-three thousand, four hundred forty-six".