123014421440 has 28 divisors (see below), whose sum is σ = 292928091816. Its totient is φ = 49205768448.

The previous prime is 123014421419. The next prime is 123014421571. The reversal of 123014421440 is 44124410321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192209714 + ... + 192210353.

Almost surely, 2^123014421440 is an apocalyptic number.

123014421440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123014421440 is an abundant number, since it is smaller than the sum of its proper divisors (169913670376).

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

123014421440 is an equidigital number, since it uses as much as digits as its factorization.

123014421440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384420084 (or 384420074 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 123014421440 its reverse (44124410321), we get a palindrome (167138831761).

The spelling of 123014421440 in words is "one hundred twenty-three billion, fourteen million, four hundred twenty-one thousand, four hundred forty".