124321221023 has 16 divisors (see below), whose sum is σ = 129201791040. Its totient is φ = 119530118400.

The previous prime is 124321220993. The next prime is 124321221029. The reversal of 124321221023 is 320122123421.

It is a cyclic number.

It is not a de Polignac number, because 124321221023 - 2⁸ = 124321220767 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 124321221023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124321221029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8134433 + ... + 8149701.

It is an arithmetic number, because the mean of its divisors is an integer number (8075111940).

Almost surely, 2^124321221023 is an apocalyptic number.

124321221023 is a deficient number, since it is larger than the sum of its proper divisors (4880570017).

124321221023 is a wasteful number, since it uses less digits than its factorization.

124321221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18178.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 124321221023 its reverse (320122123421), we get a palindrome (444443344444).

The spelling of 124321221023 in words is "one hundred twenty-four billion, three hundred twenty-one million, two hundred twenty-one thousand, twenty-three".