123450143103 has 12 divisors (see below), whose sum is σ = 203790712528. Its totient is φ = 70542938880.

The previous prime is 123450143101. The next prime is 123450143119. The reversal of 123450143103 is 301341054321.

It is a happy number.

123450143103 is a `hidden beast` number, since 1 + 2 + 345 + 0 + 1 + 4 + 310 + 3 = 666.

It is not a de Polignac number, because 123450143103 - 2¹ = 123450143101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123450143101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 979762978 + ... + 979763103.

Almost surely, 2^123450143103 is an apocalyptic number.

123450143103 is a deficient number, since it is larger than the sum of its proper divisors (80340569425).

123450143103 is a wasteful number, since it uses less digits than its factorization.

123450143103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959526094 (or 1959526091 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 123450143103 its reverse (301341054321), we get a palindrome (424791197424).

The spelling of 123450143103 in words is "one hundred twenty-three billion, four hundred fifty million, one hundred forty-three thousand, one hundred three".