1427915123 has 2 divisors, whose sum is σ = 1427915124. Its totient is φ = 1427915122.

The previous prime is 1427915081. The next prime is 1427915191. The reversal of 1427915123 is 3215197241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1427915123 - 2²² = 1423720819 is a prime.

It is not a weakly prime, because it can be changed into another prime (1427975123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713957561 + 713957562.

It is an arithmetic number, because the mean of its divisors is an integer number (713957562).

Almost surely, 2^1427915123 is an apocalyptic number.

1427915123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427915123 is an equidigital number, since it uses as much as digits as its factorization.

1427915123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 35.

The square root of 1427915123 is about 37787.7641968932. The cubic root of 1427915123 is about 1126.0753827146.

The spelling of 1427915123 in words is "one billion, four hundred twenty-seven million, nine hundred fifteen thousand, one hundred twenty-three".