123462125456 has 40 divisors (see below), whose sum is σ = 253581269760. Its totient is φ = 58030467584.

The previous prime is 123462125443. The next prime is 123462125467. The reversal of 123462125456 is 654521264321.

It is a super-2 number, since 2×123462125456² (a number of 23 digits) contains 22 as substring.

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, 42296 + ... + 498711.

It is an arithmetic number, because the mean of its divisors is an integer number (6339531744).

Almost surely, 2^123462125456 is an apocalyptic number.

123462125456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

123462125456 is an abundant number, since it is smaller than the sum of its proper divisors (130119144304).

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

123462125456 is a wasteful number, since it uses less digits than its factorization.

123462125456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541871 (or 541865 counting only the distinct ones).

The product of its digits is 345600, while the sum is 41.

Adding to 123462125456 its reverse (654521264321), we get a palindrome (777983389777).

The spelling of 123462125456 in words is "one hundred twenty-three billion, four hundred sixty-two million, one hundred twenty-five thousand, four hundred fifty-six".