105523230451 has 2 divisors, whose sum is σ = 105523230452. Its totient is φ = 105523230450.

The previous prime is 105523230383. The next prime is 105523230469. The reversal of 105523230451 is 154032325501.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105523230451 is a prime.

It is a super-2 number, since 2×105523230451² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105523230151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52761615225 + 52761615226.

It is an arithmetic number, because the mean of its divisors is an integer number (52761615226).

Almost surely, 2^105523230451 is an apocalyptic number.

105523230451 is a deficient number, since it is larger than the sum of its proper divisors (1).

105523230451 is an equidigital number, since it uses as much as digits as its factorization.

105523230451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 105523230451 its reverse (154032325501), we get a palindrome (259555555952).

The spelling of 105523230451 in words is "one hundred five billion, five hundred twenty-three million, two hundred thirty thousand, four hundred fifty-one".