1101623424 has 128 divisors (see below), whose sum is σ = 3270576960. Its totient is φ = 325632000.

The previous prime is 1101623423. The next prime is 1101623431. The reversal of 1101623424 is 4243261011.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1101623394 and 1101623403.

It is not an unprimeable number, because it can be changed into a prime (1101623423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170004 + ... + 176364.

Almost surely, 2^1101623424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101623424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1635288480).

1101623424 is an abundant number, since it is smaller than the sum of its proper divisors (2168953536).

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

1101623424 is a wasteful number, since it uses less digits than its factorization.

1101623424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6430 (or 6418 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1101623424 is about 33190.7129179233. The cubic root of 1101623424 is about 1032.7876925992.

Adding to 1101623424 its reverse (4243261011), we get a palindrome (5344884435).

The spelling of 1101623424 in words is "one billion, one hundred one million, six hundred twenty-three thousand, four hundred twenty-four".