123030987453 has 32 divisors (see below), whose sum is σ = 210534318720. Its totient is φ = 70178100480.

The previous prime is 123030987403. The next prime is 123030987493. The reversal of 123030987453 is 354789030321.

It is not a de Polignac number, because 123030987453 - 2¹³ = 123030979261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123030987399 and 123030987408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123030987403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12178650 + ... + 12188747.

It is an arithmetic number, because the mean of its divisors is an integer number (6579197460).

Almost surely, 2^123030987453 is an apocalyptic number.

It is an amenable number.

123030987453 is a deficient number, since it is larger than the sum of its proper divisors (87503331267).

123030987453 is a wasteful number, since it uses less digits than its factorization.

123030987453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24367434 (or 24367428 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 123030987453 in words is "one hundred twenty-three billion, thirty million, nine hundred eighty-seven thousand, four hundred fifty-three".