654152021104023 has 72 divisors (see below), whose sum is σ = 1077249758832000. Its totient is φ = 381283586244288.

The previous prime is 654152021103991. The next prime is 654152021104037. The reversal of 654152021104023 is 320401120251456.

654152021104023 is a `hidden beast` number, since 6 + 5 + 4 + 1 + 520 + 2 + 1 + 104 + 0 + 23 = 666.

It is not a de Polignac number, because 654152021104023 - 2⁵ = 654152021103991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654152021104093) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 128207878 + ... + 133212476.

It is an arithmetic number, because the mean of its divisors is an integer number (14961802206000).

Almost surely, 2^{654152021104023} is an apocalyptic number.

654152021104023 is a deficient number, since it is larger than the sum of its proper divisors (423097737727977).

654152021104023 is a wasteful number, since it uses less digits than its factorization.

654152021104023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009173 (or 5009157 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 654152021104023 its reverse (320401120251456), we get a palindrome (974553141355479).

The spelling of 654152021104023 in words is "six hundred fifty-four trillion, one hundred fifty-two billion, twenty-one million, one hundred four thousand, twenty-three".