2931427123 has 2 divisors, whose sum is σ = 2931427124. Its totient is φ = 2931427122.

The previous prime is 2931427111. The next prime is 2931427133. The reversal of 2931427123 is 3217241392.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2931427123 - 2²¹ = 2929329971 is a prime.

It is not a weakly prime, because it can be changed into another prime (2931427133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1465713561 + 1465713562.

It is an arithmetic number, because the mean of its divisors is an integer number (1465713562).

Almost surely, 2^2931427123 is an apocalyptic number.

2931427123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2931427123 is an equidigital number, since it uses as much as digits as its factorization.

2931427123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 2931427123 is about 54142.6553006038. The cubic root of 2931427123 is about 1431.1759643937.

The spelling of 2931427123 in words is "two billion, nine hundred thirty-one million, four hundred twenty-seven thousand, one hundred twenty-three".