123289288473 has 32 divisors (see below), whose sum is σ = 179481702400. Its totient is φ = 75272416128.

The previous prime is 123289288471. The next prime is 123289288477. The reversal of 123289288473 is 374882982321.

It is not a de Polignac number, because 123289288473 - 2¹ = 123289288471 is a prime.

It is a super-2 number, since 2×123289288473² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123289288471) 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, 763413 + ... + 910701.

It is an arithmetic number, because the mean of its divisors is an integer number (5608803200).

Almost surely, 2^123289288473 is an apocalyptic number.

123289288473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

123289288473 is a deficient number, since it is larger than the sum of its proper divisors (56192413927).

123289288473 is a wasteful number, since it uses less digits than its factorization.

123289288473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147458 (or 147432 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 57.

The spelling of 123289288473 in words is "one hundred twenty-three billion, two hundred eighty-nine million, two hundred eighty-eight thousand, four hundred seventy-three".