20230640743751 has 2 divisors, whose sum is σ = 20230640743752. Its totient is φ = 20230640743750.

The previous prime is 20230640743741. The next prime is 20230640743769. The reversal of 20230640743751 is 15734704603202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20230640743751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20230640743741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10115320371875 + 10115320371876.

It is an arithmetic number, because the mean of its divisors is an integer number (10115320371876).

Almost surely, 2^{20230640743751} is an apocalyptic number.

20230640743751 is a deficient number, since it is larger than the sum of its proper divisors (1).

20230640743751 is an equidigital number, since it uses as much as digits as its factorization.

20230640743751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 44.

The spelling of 20230640743751 in words is "twenty trillion, two hundred thirty billion, six hundred forty million, seven hundred forty-three thousand, seven hundred fifty-one".