18223053123 has 16 divisors (see below), whose sum is σ = 27006379776. Its totient is φ = 10835891040.

The previous prime is 18223053103. The next prime is 18223053133. The reversal of 18223053123 is 32135032281.

It is a happy number.

It is not a de Polignac number, because 18223053123 - 2⁹ = 18223052611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18223053103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5207815 + ... + 5211312.

It is an arithmetic number, because the mean of its divisors is an integer number (1687898736).

Almost surely, 2^18223053123 is an apocalyptic number.

18223053123 is a deficient number, since it is larger than the sum of its proper divisors (8783326653).

18223053123 is a wasteful number, since it uses less digits than its factorization.

18223053123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10419194.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 18223053123 in words is "eighteen billion, two hundred twenty-three million, fifty-three thousand, one hundred twenty-three".