11123233420 has 48 divisors (see below), whose sum is σ = 25582021920. Its totient is φ = 4037423616.

The previous prime is 11123233409. The next prime is 11123233489. The reversal of 11123233420 is 2433232111.

It is a junction number, because it is equal to n+sod(n) for n = 11123233391 and 11123233400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347217 + ... + 377896.

It is an arithmetic number, because the mean of its divisors is an integer number (532958790).

Almost surely, 2^11123233420 is an apocalyptic number.

11123233420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11123233420 is an abundant number, since it is smaller than the sum of its proper divisors (14458788500).

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

11123233420 is a wasteful number, since it uses less digits than its factorization.

11123233420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725194 (or 725192 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 11123233420 its reverse (2433232111), we get a palindrome (13556465531).

The spelling of 11123233420 in words is "eleven billion, one hundred twenty-three million, two hundred thirty-three thousand, four hundred twenty".