123461605200 has 120 divisors (see below), whose sum is σ = 398375984448. Its totient is φ = 32682736640.

The previous prime is 123461605153. The next prime is 123461605259. The reversal of 123461605200 is 2506164321.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 211092 + ... + 539891.

Almost surely, 2^123461605200 is an apocalyptic number.

123461605200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123461605200 is an abundant number, since it is smaller than the sum of its proper divisors (274914379248).

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

123461605200 is a wasteful number, since it uses less digits than its factorization.

123461605200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751141 (or 751130 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 123461605200 its reverse (2506164321), we get a palindrome (125967769521).

The spelling of 123461605200 in words is "one hundred twenty-three billion, four hundred sixty-one million, six hundred five thousand, two hundred".