123148024431 has 16 divisors (see below), whose sum is σ = 164376096768. Its totient is φ = 82009373600.

The previous prime is 123148024421. The next prime is 123148024469. The reversal of 123148024431 is 134420841321.

It is a cyclic number.

It is not a de Polignac number, because 123148024431 - 2⁵ = 123148024399 is a prime.

It is a super-2 number, since 2×123148024431² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123148024392 and 123148024401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123148024421) 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, 12382921 + ... + 12392861.

It is an arithmetic number, because the mean of its divisors is an integer number (10273506048).

Almost surely, 2^123148024431 is an apocalyptic number.

123148024431 is a deficient number, since it is larger than the sum of its proper divisors (41228072337).

123148024431 is a wasteful number, since it uses less digits than its factorization.

123148024431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14022.

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 123148024431 its reverse (134420841321), we get a palindrome (257568865752).

The spelling of 123148024431 in words is "one hundred twenty-three billion, one hundred forty-eight million, twenty-four thousand, four hundred thirty-one".