365120123 has 4 divisors (see below), whose sum is σ = 365158920. Its totient is φ = 365081328.

The previous prime is 365120117. The next prime is 365120137. The reversal of 365120123 is 321021563.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 365120123 - 2¹⁶ = 365054587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (365120183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4688 + ... + 27426.

It is an arithmetic number, because the mean of its divisors is an integer number (91289730).

Almost surely, 2^365120123 is an apocalyptic number.

365120123 is a deficient number, since it is larger than the sum of its proper divisors (38797).

365120123 is a wasteful number, since it uses less digits than its factorization.

365120123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38796.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 365120123 is about 19108.1166785217. The cubic root of 365120123 is about 714.7353401290.

Adding to 365120123 its reverse (321021563), we get a palindrome (686141686).

The spelling of 365120123 in words is "three hundred sixty-five million, one hundred twenty thousand, one hundred twenty-three".