10421123454 has 48 divisors (see below), whose sum is σ = 27322615008. Its totient is φ = 2802318336.

The previous prime is 10421123431. The next prime is 10421123467. The reversal of 10421123454 is 45432112401.

10421123454 is a `hidden beast` number, since 1 + 0 + 421 + 1 + 234 + 5 + 4 = 666.

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, 2430427 + ... + 2434710.

It is an arithmetic number, because the mean of its divisors is an integer number (569221146).

Almost surely, 2^10421123454 is an apocalyptic number.

10421123454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10421123454 is an abundant number, since it is smaller than the sum of its proper divisors (16901491554).

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

10421123454 is a wasteful number, since it uses less digits than its factorization.

10421123454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4865169 (or 4865166 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 10421123454 its reverse (45432112401), we get a palindrome (55853235855).

The spelling of 10421123454 in words is "ten billion, four hundred twenty-one million, one hundred twenty-three thousand, four hundred fifty-four".