11423616240 has 160 divisors (see below), whose sum is σ = 37335110400. Its totient is φ = 2881474560.

The previous prime is 11423616233. The next prime is 11423616247. The reversal of 11423616240 is 4261632411.

It is an interprime number because it is at equal distance from previous prime (11423616233) and next prime (11423616247).

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

It is a junction number, because it is equal to n+sod(n) for n = 11423616198 and 11423616207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423616247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3696616 + ... + 3699704.

It is an arithmetic number, because the mean of its divisors is an integer number (233344440).

Almost surely, 2^11423616240 is an apocalyptic number.

11423616240 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 11423616240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18667555200).

11423616240 is an abundant number, since it is smaller than the sum of its proper divisors (25911494160).

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

11423616240 is a wasteful number, since it uses less digits than its factorization.

11423616240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935 (or 3929 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 11423616240 in words is "eleven billion, four hundred twenty-three million, six hundred sixteen thousand, two hundred forty".