623135016 has 96 divisors (see below), whose sum is σ = 1973674560. Its totient is φ = 173892096.

The previous prime is 623134987. The next prime is 623135053. The reversal of 623135016 is 610531326.

623135016 is a `hidden beast` number, since 623 + 1 + 35 + 0 + 1 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7296 + ... + 36048.

It is an arithmetic number, because the mean of its divisors is an integer number (20559110).

Almost surely, 2^623135016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 623135016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (986837280).

623135016 is an abundant number, since it is smaller than the sum of its proper divisors (1350539544).

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

623135016 is a wasteful number, since it uses less digits than its factorization.

623135016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28815 (or 28808 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 623135016 is about 24962.6724530848. The cubic root of 623135016 is about 854.1367053138.

The spelling of 623135016 in words is "six hundred twenty-three million, one hundred thirty-five thousand, sixteen".