124552221323 has 4 divisors (see below), whose sum is σ = 124562888520. Its totient is φ = 124541554128.

The previous prime is 124552221319. The next prime is 124552221377. The reversal of 124552221323 is 323122255421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124552221323 - 2² = 124552221319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124552221323.

It is not an unprimeable number, because it can be changed into a prime (124552221523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5316065 + ... + 5339442.

It is an arithmetic number, because the mean of its divisors is an integer number (31140722130).

Almost surely, 2^124552221323 is an apocalyptic number.

124552221323 is a deficient number, since it is larger than the sum of its proper divisors (10667197).

124552221323 is a wasteful number, since it uses less digits than its factorization.

124552221323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10667196.

The product of its digits is 28800, while the sum is 32.

Adding to 124552221323 its reverse (323122255421), we get a palindrome (447674476744).

The spelling of 124552221323 in words is "one hundred twenty-four billion, five hundred fifty-two million, two hundred twenty-one thousand, three hundred twenty-three".