623106536 has 32 divisors (see below), whose sum is σ = 1259352360. Its totient is φ = 287323392.

The previous prime is 623106509. The next prime is 623106553. The reversal of 623106536 is 635601326.

623106536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 600544036 + 22562500 = 24506^2 + 4750^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153266 + ... + 157278.

Almost surely, 2^623106536 is an apocalyptic number.

It is an amenable number.

623106536 is an abundant number, since it is smaller than the sum of its proper divisors (636245824).

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

623106536 is a wasteful number, since it uses less digits than its factorization.

623106536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5525 (or 5521 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 623106536 is about 24962.1019948241. The cubic root of 623106536 is about 854.1236925192.

The spelling of 623106536 in words is "six hundred twenty-three million, one hundred six thousand, five hundred thirty-six".