1423252404 has 96 divisors (see below), whose sum is σ = 4235974400. Its totient is φ = 404818560.

The previous prime is 1423252373. The next prime is 1423252423. The reversal of 1423252404 is 4042523241.

1423252404 is a `hidden beast` number, since 1 + 4 + 2 + 3 + 252 + 404 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169014 + ... + 177234.

Almost surely, 2^1423252404 is an apocalyptic number.

1423252404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423252404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2117987200).

1423252404 is an abundant number, since it is smaller than the sum of its proper divisors (2812721996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423252404 is a wasteful number, since it uses less digits than its factorization.

1423252404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8470 (or 8462 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 1423252404 is about 37726.0176005896. The cubic root of 1423252404 is about 1124.8483493361.

Adding to 1423252404 its reverse (4042523241), we get a palindrome (5465775645).

The spelling of 1423252404 in words is "one billion, four hundred twenty-three million, two hundred fifty-two thousand, four hundred four".