123316301040 has 40 divisors (see below), whose sum is σ = 382280533968. Its totient is φ = 32884346880.

The previous prime is 123316300973. The next prime is 123316301051. The reversal of 123316301040 is 40103613321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 123316301040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256908721 + ... + 256909200.

Almost surely, 2^123316301040 is an apocalyptic number.

123316301040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123316301040 is an abundant number, since it is smaller than the sum of its proper divisors (258964232928).

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

123316301040 is a wasteful number, since it uses less digits than its factorization.

123316301040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513817937 (or 513817931 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 123316301040 its reverse (40103613321), we get a palindrome (163419914361).

The spelling of 123316301040 in words is "one hundred twenty-three billion, three hundred sixteen million, three hundred one thousand, forty".