103739355243 has 6 divisors (see below), whose sum is σ = 149845735364. Its totient is φ = 69159570156.

The previous prime is 103739355217. The next prime is 103739355277. The reversal of 103739355243 is 342553937301.

103739355243 is a `hidden beast` number, since 1 + 0 + 3 + 7 + 3 + 93 + 552 + 4 + 3 = 666.

It is not a de Polignac number, because 103739355243 - 2¹⁸ = 103739093099 is a prime.

It is a super-3 number, since 3×103739355243³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103739355743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5763297505 + ... + 5763297522.

Almost surely, 2^103739355243 is an apocalyptic number.

103739355243 is a deficient number, since it is larger than the sum of its proper divisors (46106380121).

103739355243 is a wasteful number, since it uses less digits than its factorization.

103739355243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11526595033 (or 11526595030 counting only the distinct ones).

The product of its (nonzero) digits is 1020600, while the sum is 45.

The spelling of 103739355243 in words is "one hundred three billion, seven hundred thirty-nine million, three hundred fifty-five thousand, two hundred forty-three".