23040221523433 has 4 divisors (see below), whose sum is σ = 23181572575888. Its totient is φ = 22898870470980.

The previous prime is 23040221523409. The next prime is 23040221523479. The reversal of 23040221523433 is 33432512204032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23040221523433 - 2²⁹ = 23039684652521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23040221563433) 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 3 ways as a sum of consecutive naturals, for example, 70675525983 + ... + 70675526308.

It is an arithmetic number, because the mean of its divisors is an integer number (5795393143972).

Almost surely, 2^{23040221523433} is an apocalyptic number.

It is an amenable number.

23040221523433 is a deficient number, since it is larger than the sum of its proper divisors (141351052455).

23040221523433 is a wasteful number, since it uses less digits than its factorization.

23040221523433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141351052454.

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 23040221523433 its reverse (33432512204032), we get a palindrome (56472733727465).

The spelling of 23040221523433 in words is "twenty-three trillion, forty billion, two hundred twenty-one million, five hundred twenty-three thousand, four hundred thirty-three".