123112401234 has 8 divisors (see below), whose sum is σ = 246224802480. Its totient is φ = 41037467076.

The previous prime is 123112401187. The next prime is 123112401281. The reversal of 123112401234 is 432104211321.

It is an interprime number because it is at equal distance from previous prime (123112401187) and next prime (123112401281).

It is a sphenic number, since it is the product of 3 distinct primes.

123112401234 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10259366764 + ... + 10259366775.

It is an arithmetic number, because the mean of its divisors is an integer number (30778100310).

Almost surely, 2^123112401234 is an apocalyptic number.

123112401234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

123112401234 is a wasteful number, since it uses less digits than its factorization.

123112401234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20518733544.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 123112401234 its reverse (432104211321), we get a palindrome (555216612555).

The spelling of 123112401234 in words is "one hundred twenty-three billion, one hundred twelve million, four hundred one thousand, two hundred thirty-four".