623596180898 has 4 divisors (see below), whose sum is σ = 935394271350. Its totient is φ = 311798090448.

The previous prime is 623596180861. The next prime is 623596180919. The reversal of 623596180898 is 898081695326.

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., 462893811769 + 160702369129 = 680363^2 + 400877^2 .

It is a super-2 number, since 2×623596180898² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155899045223 + ... + 155899045226.

Almost surely, 2^623596180898 is an apocalyptic number.

623596180898 is a deficient number, since it is larger than the sum of its proper divisors (311798090452).

623596180898 is a wasteful number, since it uses less digits than its factorization.

623596180898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311798090451.

The product of its (nonzero) digits is 44789760, while the sum is 65.

The spelling of 623596180898 in words is "six hundred twenty-three billion, five hundred ninety-six million, one hundred eighty thousand, eight hundred ninety-eight".