123036005 has 16 divisors (see below), whose sum is σ = 149472000. Its totient is φ = 97218240.

The previous prime is 123035981. The next prime is 123036019. The reversal of 123036005 is 500630321.

It is not a de Polignac number, because 123036005 - 2¹⁴ = 123019621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177710 + ... + 178400.

It is an arithmetic number, because the mean of its divisors is an integer number (9342000).

Almost surely, 2^123036005 is an apocalyptic number.

It is an amenable number.

123036005 is a deficient number, since it is larger than the sum of its proper divisors (26435995).

123036005 is a wasteful number, since it uses less digits than its factorization.

123036005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 123036005 is about 11092.1596183971. The cubic root of 123036005 is about 497.3675042567.

Adding to 123036005 its reverse (500630321), we get a palindrome (623666326).

The spelling of 123036005 in words is "one hundred twenty-three million, thirty-six thousand, five".