20453530226623 has 32 divisors (see below), whose sum is σ = 22943290083840. Its totient is φ = 18105780510720.

The previous prime is 20453530226617. The next prime is 20453530226693. The reversal of 20453530226623 is 32662203535402.

It is a cyclic number.

It is not a de Polignac number, because 20453530226623 - 2²¹ = 20453528129471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20453530226623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20453530226693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 238262673 + ... + 238348501.

It is an arithmetic number, because the mean of its divisors is an integer number (716977815120).

Almost surely, 2^{20453530226623} is an apocalyptic number.

20453530226623 is a deficient number, since it is larger than the sum of its proper divisors (2489759857217).

20453530226623 is a wasteful number, since it uses less digits than its factorization.

20453530226623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91219.

The product of its (nonzero) digits is 1555200, while the sum is 43.

The spelling of 20453530226623 in words is "twenty trillion, four hundred fifty-three billion, five hundred thirty million, two hundred twenty-six thousand, six hundred twenty-three".