23481785854 has 8 divisors (see below), whose sum is σ = 37076504040. Its totient is φ = 11122951176.

The previous prime is 23481785753. The next prime is 23481785893. The reversal of 23481785854 is 45858718432.

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

It is a super-2 number, since 2×23481785854² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23481785795 and 23481785804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308970829 + ... + 308970904.

It is an arithmetic number, because the mean of its divisors is an integer number (4634563005).

Almost surely, 2^23481785854 is an apocalyptic number.

23481785854 is a deficient number, since it is larger than the sum of its proper divisors (13594718186).

23481785854 is a wasteful number, since it uses less digits than its factorization.

23481785854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617941754.

The product of its digits is 8601600, while the sum is 55.

The spelling of 23481785854 in words is "twenty-three billion, four hundred eighty-one million, seven hundred eighty-five thousand, eight hundred fifty-four".