1103485843 has 4 divisors (see below), whose sum is σ = 1104121408. Its totient is φ = 1102850280.

The previous prime is 1103485837. The next prime is 1103485879. The reversal of 1103485843 is 3485843011.

1103485843 = T₁₃₇ + T₁₃₈ + ... + T₁₈₇₇.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3485843011 = 7 ⋅497977573.

It is a cyclic number.

It is not a de Polignac number, because 1103485843 - 2¹³ = 1103477651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103485043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315171 + ... + 318652.

It is an arithmetic number, because the mean of its divisors is an integer number (276030352).

Almost surely, 2^1103485843 is an apocalyptic number.

1103485843 is a deficient number, since it is larger than the sum of its proper divisors (635565).

1103485843 is an equidigital number, since it uses as much as digits as its factorization.

1103485843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635564.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 1103485843 is about 33218.7573969888. The cubic root of 1103485843 is about 1033.3693797230.

The spelling of 1103485843 in words is "one billion, one hundred three million, four hundred eighty-five thousand, eight hundred forty-three".