11423455020 has 144 divisors (see below), whose sum is σ = 35115907008. Its totient is φ = 3005683200.

The previous prime is 11423455013. The next prime is 11423455027. The reversal of 11423455020 is 2055432411.

11423455020 is a `hidden beast` number, since 114 + 2 + 3 + 45 + 502 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (11423455013) and next prime (11423455027).

It is not an unprimeable number, because it can be changed into a prime (11423455027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4265922 + ... + 4268598.

Almost surely, 2^11423455020 is an apocalyptic number.

11423455020 is a gapful number since it is divisible by the number (10) 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 11423455020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17557953504).

11423455020 is an abundant number, since it is smaller than the sum of its proper divisors (23692451988).

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

11423455020 is a wasteful number, since it uses less digits than its factorization.

11423455020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000 (or 2995 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 11423455020 its reverse (2055432411), we get a palindrome (13478887431).

The spelling of 11423455020 in words is "eleven billion, four hundred twenty-three million, four hundred fifty-five thousand, twenty".