601651623 has 8 divisors (see below), whose sum is σ = 802587136. Its totient is φ = 400908600.

The previous prime is 601651621. The next prime is 601651643. The reversal of 601651623 is 326156106.

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

It is not a de Polignac number, because 601651623 - 2¹ = 601651621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601651621) 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, 40663 + ... + 53448.

It is an arithmetic number, because the mean of its divisors is an integer number (100323392).

Almost surely, 2^601651623 is an apocalyptic number.

601651623 is a deficient number, since it is larger than the sum of its proper divisors (200935513).

601651623 is a wasteful number, since it uses less digits than its factorization.

601651623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96245.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 601651623 is about 24528.5878721136. The cubic root of 601651623 is about 844.2058633780.

The spelling of 601651623 in words is "six hundred one million, six hundred fifty-one thousand, six hundred twenty-three".