100001021023 has 2 divisors, whose sum is σ = 100001021024. Its totient is φ = 100001021022.

The previous prime is 100001020969. The next prime is 100001021033. The reversal of 100001021023 is 320120100001.

It is an a-pointer prime, because the next prime (100001021033) can be obtained adding 100001021023 to its sum of digits (10).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100001021023 - 2¹⁷ = 100000889951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100001021033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000510511 + 50000510512.

It is an arithmetic number, because the mean of its divisors is an integer number (50000510512).

Almost surely, 2^100001021023 is an apocalyptic number.

100001021023 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001021023 is an equidigital number, since it uses as much as digits as its factorization.

100001021023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 100001021023 its reverse (320120100001), we get a palindrome (420121121024).

The spelling of 100001021023 in words is "one hundred billion, one million, twenty-one thousand, twenty-three".