123034130222421 has 16 divisors (see below), whose sum is σ = 178959057606720. Its totient is φ = 74566005054720.

The previous prime is 123034130222357. The next prime is 123034130222461. The reversal of 123034130222421 is 124222031430321.

It is a happy number.

It is not a de Polignac number, because 123034130222421 - 2⁶ = 123034130222357 is a prime.

It is a super-3 number, since 3×123034130222421³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123034130222461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17066751 + ... + 23180643.

It is an arithmetic number, because the mean of its divisors is an integer number (11184941100420).

Almost surely, 2^{123034130222421} is an apocalyptic number.

123034130222421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123034130222421 is a deficient number, since it is larger than the sum of its proper divisors (55924927384299).

123034130222421 is a wasteful number, since it uses less digits than its factorization.

123034130222421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6723716.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 123034130222421 its reverse (124222031430321), we get a palindrome (247256161652742).

The spelling of 123034130222421 in words is "one hundred twenty-three trillion, thirty-four billion, one hundred thirty million, two hundred twenty-two thousand, four hundred twenty-one".