11423280450 has 48 divisors (see below), whose sum is σ = 28351578240. Its totient is φ = 3043859520.

The previous prime is 11423280443. The next prime is 11423280493. The reversal of 11423280450 is 5408232411.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 170356 + ... + 227744.

It is an arithmetic number, because the mean of its divisors is an integer number (590657880).

Almost surely, 2^11423280450 is an apocalyptic number.

11423280450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11423280450 is an abundant number, since it is smaller than the sum of its proper divisors (16928297790).

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

11423280450 is a wasteful number, since it uses less digits than its factorization.

11423280450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58731 (or 58726 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The spelling of 11423280450 in words is "eleven billion, four hundred twenty-three million, two hundred eighty thousand, four hundred fifty".