101111623 has 2 divisors, whose sum is σ = 101111624. Its totient is φ = 101111622.

The previous prime is 101111599. The next prime is 101111627. The reversal of 101111623 is 326111101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101111623 - 2⁹ = 101111111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101111597 and 101111606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101111627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555811 + 50555812.

It is an arithmetic number, because the mean of its divisors is an integer number (50555812).

Almost surely, 2^101111623 is an apocalyptic number.

101111623 is a deficient number, since it is larger than the sum of its proper divisors (1).

101111623 is an equidigital number, since it uses as much as digits as its factorization.

101111623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 101111623 is about 10055.4275393938. The cubic root of 101111623 is about 465.8724484663.

Adding to 101111623 its reverse (326111101), we get a palindrome (427222724).

The spelling of 101111623 in words is "one hundred one million, one hundred eleven thousand, six hundred twenty-three".