623125785 has 16 divisors (see below), whose sum is σ = 997315200. Its totient is φ = 332229120.

The previous prime is 623125777. The next prime is 623125793. The reversal of 623125785 is 587521326.

It is an interprime number because it is at equal distance from previous prime (623125777) and next prime (623125793).

It is not a de Polignac number, because 623125785 - 2³ = 623125777 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77641 + ... + 85289.

It is an arithmetic number, because the mean of its divisors is an integer number (62332200).

Almost surely, 2^623125785 is an apocalyptic number.

It is an amenable number.

623125785 is a deficient number, since it is larger than the sum of its proper divisors (374189415).

623125785 is a wasteful number, since it uses less digits than its factorization.

623125785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13088.

The product of its digits is 100800, while the sum is 39.

The square root of 623125785 is about 24962.4875563314. The cubic root of 623125785 is about 854.1324876217.

The spelling of 623125785 in words is "six hundred twenty-three million, one hundred twenty-five thousand, seven hundred eighty-five".