39479123 has 2 divisors, whose sum is σ = 39479124. Its totient is φ = 39479122.

The previous prime is 39479087. The next prime is 39479129. The reversal of 39479123 is 32197493.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39479123 - 2¹⁰ = 39478099 is a prime.

It is not a weakly prime, because it can be changed into another prime (39479129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19739561 + 19739562.

It is an arithmetic number, because the mean of its divisors is an integer number (19739562).

Almost surely, 2^39479123 is an apocalyptic number.

39479123 is a deficient number, since it is larger than the sum of its proper divisors (1).

39479123 is an equidigital number, since it uses as much as digits as its factorization.

39479123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 38.

The square root of 39479123 is about 6283.2414405305. The cubic root of 39479123 is about 340.5042201531.

The spelling of 39479123 in words is "thirty-nine million, four hundred seventy-nine thousand, one hundred twenty-three".