1113423550 has 12 divisors (see below), whose sum is σ = 2070967896. Its totient is φ = 445369400.

The previous prime is 1113423539. The next prime is 1113423589. The reversal of 1113423550 is 553243111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11134186 + ... + 11134285.

It is an arithmetic number, because the mean of its divisors is an integer number (172580658).

Almost surely, 2^1113423550 is an apocalyptic number.

1113423550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1113423550 is a deficient number, since it is larger than the sum of its proper divisors (957544346).

1113423550 is a wasteful number, since it uses less digits than its factorization.

1113423550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22268483 (or 22268478 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1113423550 is about 33368.0018880364. The cubic root of 1113423550 is about 1036.4621992892.

Adding to 1113423550 its reverse (553243111), we get a palindrome (1666666661).

The spelling of 1113423550 in words is "one billion, one hundred thirteen million, four hundred twenty-three thousand, five hundred fifty".