1232011021023 has 12 divisors (see below), whose sum is σ = 1873233131640. Its totient is φ = 778112223696.

The previous prime is 1232011021019. The next prime is 1232011021051. The reversal of 1232011021023 is 3201201102321.

1232011021023 is a `hidden beast` number, since 1 + 2 + 320 + 110 + 210 + 23 = 666.

It is not a de Polignac number, because 1232011021023 - 2² = 1232011021019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1232011020987 and 1232011021005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232016021023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3602371236 + ... + 3602371577.

It is an arithmetic number, because the mean of its divisors is an integer number (156102760970).

Almost surely, 2^{1232011021023} is an apocalyptic number.

1232011021023 is a deficient number, since it is larger than the sum of its proper divisors (641222110617).

1232011021023 is a wasteful number, since it uses less digits than its factorization.

1232011021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7204742838 (or 7204742835 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1232011021023 its reverse (3201201102321), we get a palindrome (4433212123344).

The spelling of 1232011021023 in words is "one trillion, two hundred thirty-two billion, eleven million, twenty-one thousand, twenty-three".