999203233023011 has 16 divisors (see below), whose sum is σ = 1037215610818560. Its totient is φ = 961552291676160.

The previous prime is 999203233022923. The next prime is 999203233023029. The reversal of 999203233023011 is 110320332302999.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 999203233023011 - 2¹⁸ = 999203232760867 is a prime.

It is a super-2 number, since 2×999203233023011² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (999203233023511) 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, 328055846 + ... + 331087668.

It is an arithmetic number, because the mean of its divisors is an integer number (64825975676160).

Almost surely, 2^{999203233023011} is an apocalyptic number.

999203233023011 is a deficient number, since it is larger than the sum of its proper divisors (38012377795549).

999203233023011 is a wasteful number, since it uses less digits than its factorization.

999203233023011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091426.

The product of its (nonzero) digits is 472392, while the sum is 47.

The spelling of 999203233023011 in words is "nine hundred ninety-nine trillion, two hundred three billion, two hundred thirty-three million, twenty-three thousand, eleven".