623366242 has 4 divisors (see below), whose sum is σ = 935049366. Its totient is φ = 311683120.

The previous prime is 623366221. The next prime is 623366257. The reversal of 623366242 is 242663326.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 623051521 + 314721 = 24961^2 + 561^2 .

It is a super-3 number, since 3×623366242³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 623366198 and 623366207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155841559 + ... + 155841562.

Almost surely, 2^623366242 is an apocalyptic number.

623366242 is a deficient number, since it is larger than the sum of its proper divisors (311683124).

623366242 is a wasteful number, since it uses less digits than its factorization.

623366242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311683123.

The product of its digits is 62208, while the sum is 34.

The square root of 623366242 is about 24967.3034587238. The cubic root of 623366242 is about 854.2423400935.

The spelling of 623366242 in words is "six hundred twenty-three million, three hundred sixty-six thousand, two hundred forty-two".