1103920623 has 32 divisors (see below), whose sum is σ = 1794502080. Its totient is φ = 666506880.

The previous prime is 1103920603. The next prime is 1103920651. The reversal of 1103920623 is 3260293011.

1103920623 is a `hidden beast` number, since 1 + 1 + 0 + 39 + 2 + 0 + 623 = 666.

It is not a de Polignac number, because 1103920623 - 2⁵ = 1103920591 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103920603) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 11068 + ... + 48273.

It is an arithmetic number, because the mean of its divisors is an integer number (56078190).

Almost surely, 2^1103920623 is an apocalyptic number.

1103920623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1103920623 is a deficient number, since it is larger than the sum of its proper divisors (690581457).

1103920623 is a wasteful number, since it uses less digits than its factorization.

1103920623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59416 (or 59410 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1103920623 is about 33225.3009467183. The cubic root of 1103920623 is about 1033.5050798009.

The spelling of 1103920623 in words is "one billion, one hundred three million, nine hundred twenty thousand, six hundred twenty-three".