123115101300 has 54 divisors (see below), whose sum is σ = 385897448118. Its totient is φ = 32830693440.

The previous prime is 123115101199. The next prime is 123115101331. The reversal of 123115101300 is 3101511321.

123115101300 is a `hidden beast` number, since 1 + 2 + 311 + 51 + 0 + 1 + 300 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 14318036964 + 108797064336 = 119658^2 + 329844^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 68396379 + ... + 68398178.

Almost surely, 2^123115101300 is an apocalyptic number.

123115101300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123115101300 is an abundant number, since it is smaller than the sum of its proper divisors (262782346818).

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

123115101300 is a wasteful number, since it uses less digits than its factorization.

123115101300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136794577 (or 136794567 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

Adding to 123115101300 its reverse (3101511321), we get a palindrome (126216612621).

The spelling of 123115101300 in words is "one hundred twenty-three billion, one hundred fifteen million, one hundred one thousand, three hundred".