123103311431304 has 32 divisors (see below), whose sum is σ = 307786804416000. Its totient is φ = 41030633698752.

The previous prime is 123103311431281. The next prime is 123103311431333. The reversal of 123103311431304 is 403134113301321.

It is a happy number.

It is a super-2 number, since 2×123103311431304² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237450984 + ... + 237968855.

It is an arithmetic number, because the mean of its divisors is an integer number (9618337638000).

Almost surely, 2^{123103311431304} is an apocalyptic number.

It is an amenable number.

123103311431304 is an abundant number, since it is smaller than the sum of its proper divisors (184683492984696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123103311431304 is a wasteful number, since it uses less digits than its factorization.

123103311431304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475430637 (or 475430633 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

Adding to 123103311431304 its reverse (403134113301321), we get a palindrome (526237424732625).

The spelling of 123103311431304 in words is "one hundred twenty-three trillion, one hundred three billion, three hundred eleven million, four hundred thirty-one thousand, three hundred four".