1111023340 has 48 divisors (see below), whose sum is σ = 2673619200. Its totient is φ = 379899072.

The previous prime is 1111023337. The next prime is 1111023341. The reversal of 1111023340 is 433201111.

It is not an unprimeable number, because it can be changed into a prime (1111023341) 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, 42591 + ... + 63529.

It is an arithmetic number, because the mean of its divisors is an integer number (55700400).

Almost surely, 2^1111023340 is an apocalyptic number.

1111023340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111023340 is an abundant number, since it is smaller than the sum of its proper divisors (1562595860).

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

1111023340 is a wasteful number, since it uses less digits than its factorization.

1111023340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21334 (or 21332 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1111023340 is about 33332.0167406654. The cubic root of 1111023340 is about 1035.7168954082.

Adding to 1111023340 its reverse (433201111), we get a palindrome (1544224451).

The spelling of 1111023340 in words is "one billion, one hundred eleven million, twenty-three thousand, three hundred forty".