1423152225 has 72 divisors (see below), whose sum is σ = 2791300512. Its totient is φ = 687398400.

The previous prime is 1423152103. The next prime is 1423152239. The reversal of 1423152225 is 5222513241.

1423152225 is a `hidden beast` number, since 1 + 423 + 15 + 2 + 225 = 666.

It is not a de Polignac number, because 1423152225 - 2⁸ = 1423151969 is a prime.

It is a super-3 number, since 3×1423152225³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 758889 + ... + 760761.

Almost surely, 2^1423152225 is an apocalyptic number.

1423152225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1423152225 is a deficient number, since it is larger than the sum of its proper divisors (1368148287).

1423152225 is a wasteful number, since it uses less digits than its factorization.

1423152225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207 (or 2199 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 1423152225 is about 37724.6898595601. The cubic root of 1423152225 is about 1124.8219570095.

Adding to 1423152225 its reverse (5222513241), we get a palindrome (6645665466).

The spelling of 1423152225 in words is "one billion, four hundred twenty-three million, one hundred fifty-two thousand, two hundred twenty-five".