1623123366 has 16 divisors (see below), whose sum is σ = 3247405824. Its totient is φ = 540847944.

The previous prime is 1623123353. The next prime is 1623123367. The reversal of 1623123366 is 6633213261.

It is a super-2 number, since 2×1623123366² = 5269058922510339912, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623123367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29530 + ... + 64173.

It is an arithmetic number, because the mean of its divisors is an integer number (202962864).

Almost surely, 2^1623123366 is an apocalyptic number.

1623123366 is an abundant number, since it is smaller than the sum of its proper divisors (1624282458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1623123366 is a wasteful number, since it uses less digits than its factorization.

1623123366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96595.

The product of its digits is 23328, while the sum is 33.

The square root of 1623123366 is about 40288.0052372912. The cubic root of 1623123366 is about 1175.2145957228.

The spelling of 1623123366 in words is "one billion, six hundred twenty-three million, one hundred twenty-three thousand, three hundred sixty-six".