113551443623 has 2 divisors, whose sum is σ = 113551443624. Its totient is φ = 113551443622.

The previous prime is 113551443617. The next prime is 113551443637. The reversal of 113551443623 is 326344155311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113551443623 - 2¹⁸ = 113551181479 is a prime.

It is a super-2 number, since 2×113551443623² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113551443683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56775721811 + 56775721812.

It is an arithmetic number, because the mean of its divisors is an integer number (56775721812).

Almost surely, 2^113551443623 is an apocalyptic number.

113551443623 is a deficient number, since it is larger than the sum of its proper divisors (1).

113551443623 is an equidigital number, since it uses as much as digits as its factorization.

113551443623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 38.

Adding to 113551443623 its reverse (326344155311), we get a palindrome (439895598934).

The spelling of 113551443623 in words is "one hundred thirteen billion, five hundred fifty-one million, four hundred forty-three thousand, six hundred twenty-three".