120018623 has 8 divisors (see below), whose sum is σ = 132604128. Its totient is φ = 108047104.

The previous prime is 120018593. The next prime is 120018629. The reversal of 120018623 is 326810021.

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

It is not a de Polignac number, because 120018623 - 2¹⁶ = 119953087 is a prime.

It is a super-2 number, since 2×120018623² = 28808939733632258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120018629) 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, 153086 + ... + 153867.

It is an arithmetic number, because the mean of its divisors is an integer number (16575516).

Almost surely, 2^120018623 is an apocalyptic number.

120018623 is a deficient number, since it is larger than the sum of its proper divisors (12585505).

120018623 is a wasteful number, since it uses less digits than its factorization.

120018623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306993.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 120018623 is about 10955.3011368926. The cubic root of 120018623 is about 493.2679292504.

Adding to 120018623 its reverse (326810021), we get a palindrome (446828644).

The spelling of 120018623 in words is "one hundred twenty million, eighteen thousand, six hundred twenty-three".