1425142923 has 16 divisors (see below), whose sum is σ = 1913327136. Its totient is φ = 943550720.

The previous prime is 1425142919. The next prime is 1425142973. The reversal of 1425142923 is 3292415241.

It is a cyclic number.

It is not a de Polignac number, because 1425142923 - 2² = 1425142919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1425142973) 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 in 15 ways as a sum of consecutive naturals, for example, 264565 + ... + 269897.

It is an arithmetic number, because the mean of its divisors is an integer number (119582946).

Almost surely, 2^1425142923 is an apocalyptic number.

1425142923 is a deficient number, since it is larger than the sum of its proper divisors (488184213).

1425142923 is a wasteful number, since it uses less digits than its factorization.

1425142923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5934.

The product of its digits is 17280, while the sum is 33.

The square root of 1425142923 is about 37751.0651902698. The cubic root of 1425142923 is about 1125.3461777124.

The spelling of 1425142923 in words is "one billion, four hundred twenty-five million, one hundred forty-two thousand, nine hundred twenty-three".