1606236123 has 4 divisors (see below), whose sum is σ = 2141648168. Its totient is φ = 1070824080.

The previous prime is 1606236043. The next prime is 1606236187. The reversal of 1606236123 is 3216326061.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1606236123 - 2¹² = 1606232027 is a prime.

It is a super-2 number, since 2×1606236123² = 5159988965660142258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1606236223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267706018 + ... + 267706023.

It is an arithmetic number, because the mean of its divisors is an integer number (535412042).

Almost surely, 2^1606236123 is an apocalyptic number.

1606236123 is a deficient number, since it is larger than the sum of its proper divisors (535412045).

1606236123 is an equidigital number, since it uses as much as digits as its factorization.

1606236123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535412044.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 1606236123 is about 40077.8757296342. The cubic root of 1606236123 is about 1171.1246698907.

The spelling of 1606236123 in words is "one billion, six hundred six million, two hundred thirty-six thousand, one hundred twenty-three".