1423917432 has 96 divisors (see below), whose sum is σ = 4412628480. Its totient is φ = 406347840.

The previous prime is 1423917403. The next prime is 1423917503. The reversal of 1423917432 is 2347193241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 776757 + ... + 778587.

It is an arithmetic number, because the mean of its divisors is an integer number (45964880).

Almost surely, 2^1423917432 is an apocalyptic number.

1423917432 is a gapful number since it is divisible by the number (12) 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 1423917432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2206314240).

1423917432 is an abundant number, since it is smaller than the sum of its proper divisors (2988711048).

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

1423917432 is a wasteful number, since it uses less digits than its factorization.

1423917432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393 (or 3386 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 1423917432 is about 37734.8304885553. The cubic root of 1423917432 is about 1125.0235206934.

The spelling of 1423917432 in words is "one billion, four hundred twenty-three million, nine hundred seventeen thousand, four hundred thirty-two".