623016667 has 8 divisors (see below), whose sum is σ = 766789856. Its totient is φ = 492936192.

The previous prime is 623016649. The next prime is 623016683. The reversal of 623016667 is 766610326.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 623016667 - 2⁷ = 623016539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (623010667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3423078 + ... + 3423259.

It is an arithmetic number, because the mean of its divisors is an integer number (95848732).

Almost surely, 2^623016667 is an apocalyptic number.

623016667 is a deficient number, since it is larger than the sum of its proper divisors (143773189).

623016667 is a wasteful number, since it uses less digits than its factorization.

623016667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6846357.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 623016667 is about 24960.3018210918. The cubic root of 623016667 is about 854.0826278813.

The spelling of 623016667 in words is "six hundred twenty-three million, sixteen thousand, six hundred sixty-seven".