111507240023 has 2 divisors, whose sum is σ = 111507240024. Its totient is φ = 111507240022.

The previous prime is 111507239999. The next prime is 111507240037. The reversal of 111507240023 is 320042705111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111507240023 - 2⁶ = 111507239959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111507239974 and 111507240001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111507240623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55753620011 + 55753620012.

It is an arithmetic number, because the mean of its divisors is an integer number (55753620012).

Almost surely, 2^111507240023 is an apocalyptic number.

111507240023 is a deficient number, since it is larger than the sum of its proper divisors (1).

111507240023 is an equidigital number, since it uses as much as digits as its factorization.

111507240023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 111507240023 its reverse (320042705111), we get a palindrome (431549945134).

The spelling of 111507240023 in words is "one hundred eleven billion, five hundred seven million, two hundred forty thousand, twenty-three".