123493427460 has 432 divisors, whose sum is σ = 417976977600. Its totient is φ = 29487504384.

The previous prime is 123493427441. The next prime is 123493427521. The reversal of 123493427460 is 64724394321.

123493427460 is a `hidden beast` number, since 1 + 2 + 349 + 34 + 274 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 148966326 + ... + 148967154.

It is an arithmetic number, because the mean of its divisors is an integer number (967539300).

Almost surely, 2^123493427460 is an apocalyptic number.

123493427460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123493427460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208988488800).

123493427460 is an abundant number, since it is smaller than the sum of its proper divisors (294483550140).

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

123493427460 is a wasteful number, since it uses less digits than its factorization.

123493427460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 123493427460 in words is "one hundred twenty-three billion, four hundred ninety-three million, four hundred twenty-seven thousand, four hundred sixty".