100423620097 has 2 divisors, whose sum is σ = 100423620098. Its totient is φ = 100423620096.

The previous prime is 100423620071. The next prime is 100423620103. The reversal of 100423620097 is 790026324001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80038633921 + 20384986176 = 282911^2 + 142776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100423620097 is a prime.

It is not a weakly prime, because it can be changed into another prime (100423620007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50211810048 + 50211810049.

It is an arithmetic number, because the mean of its divisors is an integer number (50211810049).

Almost surely, 2^100423620097 is an apocalyptic number.

It is an amenable number.

100423620097 is a deficient number, since it is larger than the sum of its proper divisors (1).

100423620097 is an equidigital number, since it uses as much as digits as its factorization.

100423620097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

Adding to 100423620097 its reverse (790026324001), we get a palindrome (890449944098).

The spelling of 100423620097 in words is "one hundred billion, four hundred twenty-three million, six hundred twenty thousand, ninety-seven".