124355532223 has 4 divisors (see below), whose sum is σ = 133921342408. Its totient is φ = 114789722040.

The previous prime is 124355532143. The next prime is 124355532281. The reversal of 124355532223 is 322235553421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322235553421 = 386629 ⋅833449.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124355532223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124355562223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4782905073 + ... + 4782905098.

It is an arithmetic number, because the mean of its divisors is an integer number (33480335602).

Almost surely, 2^124355532223 is an apocalyptic number.

124355532223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

124355532223 is a deficient number, since it is larger than the sum of its proper divisors (9565810185).

124355532223 is an equidigital number, since it uses as much as digits as its factorization.

124355532223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9565810184.

The product of its digits is 216000, while the sum is 37.

The spelling of 124355532223 in words is "one hundred twenty-four billion, three hundred fifty-five million, five hundred thirty-two thousand, two hundred twenty-three".