123424250243 has 16 divisors (see below), whose sum is σ = 144414631680. Its totient is φ = 103276113696.

The previous prime is 123424250189. The next prime is 123424250269. The reversal of 123424250243 is 342052424321.

It is not a de Polignac number, because 123424250243 - 2⁸ = 123424249987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123424250293) 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, 452153 + ... + 671781.

It is an arithmetic number, because the mean of its divisors is an integer number (9025914480).

Almost surely, 2^123424250243 is an apocalyptic number.

123424250243 is a deficient number, since it is larger than the sum of its proper divisors (20990381437).

123424250243 is a wasteful number, since it uses less digits than its factorization.

123424250243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221546.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 123424250243 its reverse (342052424321), we get a palindrome (465476674564).

The spelling of 123424250243 in words is "one hundred twenty-three billion, four hundred twenty-four million, two hundred fifty thousand, two hundred forty-three".