23033021042432 has 72 divisors (see below), whose sum is σ = 46094824332480. Its totient is φ = 11486784798720.

The previous prime is 23033021042417. The next prime is 23033021042509. The reversal of 23033021042432 is 23424012033032.

It is a super-2 number, since 2×23033021042432² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23033021042395 and 23033021042404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289287044 + ... + 289366652.

Almost surely, 2^{23033021042432} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23033021042432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23047412166240).

23033021042432 is an abundant number, since it is smaller than the sum of its proper divisors (23061803290048).

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

23033021042432 is an equidigital number, since it uses as much as digits as its factorization.

23033021042432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82529 (or 82515 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 23033021042432 its reverse (23424012033032), we get a palindrome (46457033075464).

The spelling of 23033021042432 in words is "twenty-three trillion, thirty-three billion, twenty-one million, forty-two thousand, four hundred thirty-two".