2154462421123 has 8 divisors (see below), whose sum is σ = 2184415669728. Its totient is φ = 2124521066304.

The previous prime is 2154462421099. The next prime is 2154462421127. The reversal of 2154462421123 is 3211242644512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2154462421123 - 2¹⁷ = 2154462290051 is a prime.

It is a super-2 number, since 2×2154462421123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2154462421127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2608336 + ... + 3333517.

It is an arithmetic number, because the mean of its divisors is an integer number (273051958716).

Almost surely, 2^{2154462421123} is an apocalyptic number.

2154462421123 is a deficient number, since it is larger than the sum of its proper divisors (29953248605).

2154462421123 is an equidigital number, since it uses as much as digits as its factorization.

2154462421123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5946893.

The product of its digits is 92160, while the sum is 37.

The spelling of 2154462421123 in words is "two trillion, one hundred fifty-four billion, four hundred sixty-two million, four hundred twenty-one thousand, one hundred twenty-three".