1233443421023 has 16 divisors (see below), whose sum is σ = 1349274236544. Its totient is φ = 1118232128160.

The previous prime is 1233443420983. The next prime is 1233443421031. The reversal of 1233443421023 is 3201243443321.

It is a cyclic number.

It is not a de Polignac number, because 1233443421023 - 2²⁶ = 1233376312159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233443421053) 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, 8491361 + ... + 8635397.

It is an arithmetic number, because the mean of its divisors is an integer number (84329639784).

Almost surely, 2^{1233443421023} is an apocalyptic number.

1233443421023 is a deficient number, since it is larger than the sum of its proper divisors (115830815521).

1233443421023 is a wasteful number, since it uses less digits than its factorization.

1233443421023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146182.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 1233443421023 its reverse (3201243443321), we get a palindrome (4434686864344).

The spelling of 1233443421023 in words is "one trillion, two hundred thirty-three billion, four hundred forty-three million, four hundred twenty-one thousand, twenty-three".