1423471825 has 24 divisors (see below), whose sum is σ = 1825195680. Its totient is φ = 1100534400.

The previous prime is 1423471813. The next prime is 1423471837. The reversal of 1423471825 is 5281743241.

It is an interprime number because it is at equal distance from previous prime (1423471813) and next prime (1423471837).

It is a de Polignac number, because none of the positive numbers 2^k-1423471825 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103186 + ... + 116164.

It is an arithmetic number, because the mean of its divisors is an integer number (76049820).

Almost surely, 2^1423471825 is an apocalyptic number.

It is an amenable number.

1423471825 is a deficient number, since it is larger than the sum of its proper divisors (401723855).

1423471825 is a wasteful number, since it uses less digits than its factorization.

1423471825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13137 (or 13132 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 1423471825 is about 37728.9255744184. The cubic root of 1423471825 is about 1124.9061518421.

The spelling of 1423471825 in words is "one billion, four hundred twenty-three million, four hundred seventy-one thousand, eight hundred twenty-five".