650123452 has 48 divisors (see below), whose sum is σ = 1317254400. Its totient is φ = 277472000.

The previous prime is 650123449. The next prime is 650123471. The reversal of 650123452 is 254321056.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 650123452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447327 + ... + 448777.

It is an arithmetic number, because the mean of its divisors is an integer number (27442800).

Almost surely, 2^650123452 is an apocalyptic number.

It is an amenable number.

650123452 is an abundant number, since it is smaller than the sum of its proper divisors (667130948).

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

650123452 is a wasteful number, since it uses less digits than its factorization.

650123452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082 (or 2080 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 650123452 is about 25497.5185459291. The cubic root of 650123452 is about 866.2939423566.

The spelling of 650123452 in words is "six hundred fifty million, one hundred twenty-three thousand, four hundred fifty-two".