20453633023 has 2 divisors, whose sum is σ = 20453633024. Its totient is φ = 20453633022.

The previous prime is 20453633017. The next prime is 20453633033. The reversal of 20453633023 is 32033635402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20453633023 - 2²⁹ = 19916762111 is a prime.

It is a super-2 number, since 2×20453633023² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20453633033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10226816511 + 10226816512.

It is an arithmetic number, because the mean of its divisors is an integer number (10226816512).

Almost surely, 2^20453633023 is an apocalyptic number.

20453633023 is a deficient number, since it is larger than the sum of its proper divisors (1).

20453633023 is an equidigital number, since it uses as much as digits as its factorization.

20453633023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 31.

The spelling of 20453633023 in words is "twenty billion, four hundred fifty-three million, six hundred thirty-three thousand, twenty-three".