101240023 has 2 divisors, whose sum is σ = 101240024. Its totient is φ = 101240022.

The previous prime is 101239979. The next prime is 101240059. The reversal of 101240023 is 320042101.

It is a strong prime.

It is an emirp because it is prime and its reverse (320042101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101240023 - 2¹³ = 101231831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101239985 and 101240012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101240093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50620011 + 50620012.

It is an arithmetic number, because the mean of its divisors is an integer number (50620012).

Almost surely, 2^101240023 is an apocalyptic number.

101240023 is a deficient number, since it is larger than the sum of its proper divisors (1).

101240023 is an equidigital number, since it uses as much as digits as its factorization.

101240023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 101240023 is about 10061.8101254198. The cubic root of 101240023 is about 466.0695663242.

Adding to 101240023 its reverse (320042101), we get a palindrome (421282124).

The spelling of 101240023 in words is "one hundred one million, two hundred forty thousand, twenty-three".