23040221523567 has 16 divisors (see below), whose sum is σ = 31242517728000. Its totient is φ = 15099062157504.

The previous prime is 23040221523559. The next prime is 23040221523601. The reversal of 23040221523567 is 76532512204032.

It is not a de Polignac number, because 23040221523567 - 2³ = 23040221523559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23040221723567) 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, 406659 + ... + 6800427.

It is an arithmetic number, because the mean of its divisors is an integer number (1952657358000).

Almost surely, 2^{23040221523567} is an apocalyptic number.

23040221523567 is a deficient number, since it is larger than the sum of its proper divisors (8202296204433).

23040221523567 is a wasteful number, since it uses less digits than its factorization.

23040221523567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6414190.

The product of its (nonzero) digits is 604800, while the sum is 42.

Adding to 23040221523567 its reverse (76532512204032), we get a palindrome (99572733727599).

The spelling of 23040221523567 in words is "twenty-three trillion, forty billion, two hundred twenty-one million, five hundred twenty-three thousand, five hundred sixty-seven".