73871123 has 2 divisors, whose sum is σ = 73871124. Its totient is φ = 73871122.

The previous prime is 73871089. The next prime is 73871131. The reversal of 73871123 is 32117837.

It is a strong prime.

It is an emirp because it is prime and its reverse (32117837) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73871123 - 2¹⁰ = 73870099 is a prime.

It is a super-2 number, since 2×73871123² = 10913885626562258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73871123.

It is not a weakly prime, because it can be changed into another prime (73871143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36935561 + 36935562.

It is an arithmetic number, because the mean of its divisors is an integer number (36935562).

Almost surely, 2^73871123 is an apocalyptic number.

73871123 is a deficient number, since it is larger than the sum of its proper divisors (1).

73871123 is an equidigital number, since it uses as much as digits as its factorization.

73871123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 32.

The square root of 73871123 is about 8594.8311792612. The cubic root of 73871123 is about 419.5897789770.

The spelling of 73871123 in words is "seventy-three million, eight hundred seventy-one thousand, one hundred twenty-three".