1423635025 has 12 divisors (see below), whose sum is σ = 1842060672. Its totient is φ = 1089389840.

The previous prime is 1423635001. The next prime is 1423635061. The reversal of 1423635025 is 5205363241.

It is a happy number.

It is not a de Polignac number, because 1423635025 - 2¹⁷ = 1423503953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1237369 + ... + 1238518.

It is an arithmetic number, because the mean of its divisors is an integer number (153505056).

Almost surely, 2^1423635025 is an apocalyptic number.

It is an amenable number.

1423635025 is a deficient number, since it is larger than the sum of its proper divisors (418425647).

1423635025 is a wasteful number, since it uses less digits than its factorization.

1423635025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2475920 (or 2475915 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 1423635025 is about 37731.0883092444. The cubic root of 1423635025 is about 1124.9491400875.

Adding to 1423635025 its reverse (5205363241), we get a palindrome (6628998266).

The spelling of 1423635025 in words is "one billion, four hundred twenty-three million, six hundred thirty-five thousand, twenty-five".