623242887 has 8 divisors (see below), whose sum is σ = 832581504. Its totient is φ = 414699768.

The previous prime is 623242877. The next prime is 623242909. The reversal of 623242887 is 788242326.

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

It is not a de Polignac number, because 623242887 - 2⁴ = 623242871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623242877) 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, 197043 + ... + 200180.

It is an arithmetic number, because the mean of its divisors is an integer number (104072688).

Almost surely, 2^623242887 is an apocalyptic number.

623242887 is a deficient number, since it is larger than the sum of its proper divisors (209338617).

623242887 is a wasteful number, since it uses less digits than its factorization.

623242887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397749.

The product of its digits is 258048, while the sum is 42.

The square root of 623242887 is about 24964.8330056502. The cubic root of 623242887 is about 854.1859890496.

The spelling of 623242887 in words is "six hundred twenty-three million, two hundred forty-two thousand, eight hundred eighty-seven".