623877121 has 8 divisors (see below), whose sum is σ = 717377984. Its totient is φ = 531470160.

The previous prime is 623877119. The next prime is 623877143. The reversal of 623877121 is 121778326.

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

It is a cyclic number.

It is not a de Polignac number, because 623877121 - 2¹ = 623877119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (623877421) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 272250 + ... + 274531.

It is an arithmetic number, because the mean of its divisors is an integer number (89672248).

Almost surely, 2^623877121 is an apocalyptic number.

It is an amenable number.

623877121 is a deficient number, since it is larger than the sum of its proper divisors (93500863).

623877121 is a wasteful number, since it uses less digits than its factorization.

623877121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546951.

The product of its digits is 28224, while the sum is 37.

The square root of 623877121 is about 24977.5323240708. The cubic root of 623877121 is about 854.4756407741.

The spelling of 623877121 in words is "six hundred twenty-three million, eight hundred seventy-seven thousand, one hundred twenty-one".