124243223401 has 4 divisors (see below), whose sum is σ = 135538061904. Its totient is φ = 112948384900.

The previous prime is 124243223389. The next prime is 124243223519. The reversal of 124243223401 is 104322342421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 124243223401 - 2⁹ = 124243222889 is a prime.

It is a super-2 number, since 2×124243223401² (a number of 23 digits) contains 22 as substring.

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 124243223401.

It is not an unprimeable number, because it can be changed into a prime (124246223401) 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, 5647419235 + ... + 5647419256.

It is an arithmetic number, because the mean of its divisors is an integer number (33884515476).

Almost surely, 2^124243223401 is an apocalyptic number.

124243223401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124243223401 is a deficient number, since it is larger than the sum of its proper divisors (11294838503).

124243223401 is a wasteful number, since it uses less digits than its factorization.

124243223401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11294838502.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 124243223401 its reverse (104322342421), we get a palindrome (228565565822).

The spelling of 124243223401 in words is "one hundred twenty-four billion, two hundred forty-three million, two hundred twenty-three thousand, four hundred one".