1101123432 has 48 divisors (see below), whose sum is σ = 2985222240. Its totient is φ = 366670368.

The previous prime is 1101123427. The next prime is 1101123433. The reversal of 1101123432 is 2343211011.

1101123432 is a `hidden beast` number, since 110 + 1 + 123 + 432 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1101123433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69343 + ... + 83729.

It is an arithmetic number, because the mean of its divisors is an integer number (62192130).

Almost surely, 2^1101123432 is an apocalyptic number.

1101123432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1101123432 is an abundant number, since it is smaller than the sum of its proper divisors (1884098808).

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

1101123432 is a wasteful number, since it uses less digits than its factorization.

1101123432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15462 (or 15455 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1101123432 is about 33183.1799561163. The cubic root of 1101123432 is about 1032.6314190741.

Adding to 1101123432 its reverse (2343211011), we get a palindrome (3444334443).

It can be divided in two parts, 11011 and 23432, that added together give a palindrome (34443).

The spelling of 1101123432 in words is "one billion, one hundred one million, one hundred twenty-three thousand, four hundred thirty-two".