123012041403244 has 72 divisors (see below), whose sum is σ = 261309119123808. Its totient is φ = 50426517335040.

The previous prime is 123012041403239. The next prime is 123012041403341. The reversal of 123012041403244 is 442304140210321.

It is a happy number.

It is a super-2 number, since 2×123012041403244² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 359752342 + ... + 360094114.

It is an arithmetic number, because the mean of its divisors is an integer number (3629293321164).

Almost surely, 2^{123012041403244} is an apocalyptic number.

123012041403244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123012041403244 is an abundant number, since it is smaller than the sum of its proper divisors (138297077720564).

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

123012041403244 is a wasteful number, since it uses less digits than its factorization.

123012041403244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421655 (or 421646 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 123012041403244 its reverse (442304140210321), we get a palindrome (565316181613565).

The spelling of 123012041403244 in words is "one hundred twenty-three trillion, twelve billion, forty-one million, four hundred three thousand, two hundred forty-four".