23403554460 has 288 divisors, whose sum is σ = 83617777152. Its totient is φ = 5223605760.

The previous prime is 23403554459. The next prime is 23403554483. The reversal of 23403554460 is 6445530432.

23403554460 is a `hidden beast` number, since 2 + 3 + 40 + 3 + 554 + 4 + 60 = 666.

It is a super-2 number, since 2×23403554460² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12534447 + ... + 12536313.

It is an arithmetic number, because the mean of its divisors is an integer number (290339504).

Almost surely, 2^23403554460 is an apocalyptic number.

23403554460 is a gapful number since it is divisible by the number (20) 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 23403554460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41808888576).

23403554460 is an abundant number, since it is smaller than the sum of its proper divisors (60214222692).

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

23403554460 is a wasteful number, since it uses less digits than its factorization.

23403554460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393 (or 2388 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

The spelling of 23403554460 in words is "twenty-three billion, four hundred three million, five hundred fifty-four thousand, four hundred sixty".