3123040403239 has 2 divisors, whose sum is σ = 3123040403240. Its totient is φ = 3123040403238.

The previous prime is 3123040403179. The next prime is 3123040403297. The reversal of 3123040403239 is 9323040403213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3123040403239 - 2¹⁷ = 3123040272167 is a prime.

It is a super-2 number, since 2×3123040403239² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3123040403839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561520201619 + 1561520201620.

It is an arithmetic number, because the mean of its divisors is an integer number (1561520201620).

Almost surely, 2^{3123040403239} is an apocalyptic number.

3123040403239 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123040403239 is an equidigital number, since it uses as much as digits as its factorization.

3123040403239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 34.

The spelling of 3123040403239 in words is "three trillion, one hundred twenty-three billion, forty million, four hundred three thousand, two hundred thirty-nine".