1423412500 has 72 divisors (see below), whose sum is σ = 3249542016. Its totient is φ = 544500000.

The previous prime is 1423412489. The next prime is 1423412509. The reversal of 1423412500 is 52143241.

It is a super-2 number, since 2×1423412500² = 4052206290312500000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423412509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 285025 + ... + 289975.

It is an arithmetic number, because the mean of its divisors is an integer number (45132528).

Almost surely, 2^1423412500 is an apocalyptic number.

1423412500 is a gapful number since it is divisible by the number (10) 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 1423412500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1624771008).

1423412500 is an abundant number, since it is smaller than the sum of its proper divisors (1826129516).

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

1423412500 is an equidigital number, since it uses as much as digits as its factorization.

1423412500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003 (or 4981 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1423412500 is about 37728.1393657307. The cubic root of 1423412500 is about 1124.8905243265.

Adding to 1423412500 its reverse (52143241), we get a palindrome (1475555741).

The spelling of 1423412500 in words is "one billion, four hundred twenty-three million, four hundred twelve thousand, five hundred".