1103553423 has 16 divisors (see below), whose sum is σ = 1868450560. Its totient is φ = 630601848.

The previous prime is 1103553413. The next prime is 1103553427. The reversal of 1103553423 is 3243553011.

1103553423 is a `hidden beast` number, since 1 + 103 + 5 + 534 + 23 = 666.

It is not a de Polignac number, because 1103553423 - 2⁶ = 1103553359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103553427) 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, 2919265 + ... + 2919642.

It is an arithmetic number, because the mean of its divisors is an integer number (116778160).

Almost surely, 2^1103553423 is an apocalyptic number.

1103553423 is a deficient number, since it is larger than the sum of its proper divisors (764897137).

1103553423 is an equidigital number, since it uses as much as digits as its factorization.

1103553423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5838923 (or 5838917 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1103553423 is about 33219.7745778023. The cubic root of 1103553423 is about 1033.3904745948.

The spelling of 1103553423 in words is "one billion, one hundred three million, five hundred fifty-three thousand, four hundred twenty-three".