101623243 has 2 divisors, whose sum is σ = 101623244. Its totient is φ = 101623242.

The previous prime is 101623237. The next prime is 101623253. The reversal of 101623243 is 342326101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101623243 - 2⁵ = 101623211 is a prime.

It is not a weakly prime, because it can be changed into another prime (101623253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50811621 + 50811622.

It is an arithmetic number, because the mean of its divisors is an integer number (50811622).

Almost surely, 2^101623243 is an apocalyptic number.

101623243 is a deficient number, since it is larger than the sum of its proper divisors (1).

101623243 is an equidigital number, since it uses as much as digits as its factorization.

101623243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 101623243 is about 10080.8354316495. The cubic root of 101623243 is about 466.6568910084.

Adding to 101623243 its reverse (342326101), we get a palindrome (443949344).

The spelling of 101623243 in words is "one hundred one million, six hundred twenty-three thousand, two hundred forty-three".