1423034100 has 108 divisors (see below), whose sum is σ = 4544732556. Its totient is φ = 372303360.

The previous prime is 1423034099. The next prime is 1423034101. The reversal of 1423034100 is 14303241.

It is an interprime number because it is at equal distance from previous prime (1423034099) and next prime (1423034101).

It can be written as a sum of positive squares in 6 ways, for example, as 5963364 + 1417070736 = 2442^2 + 37644^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423034101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32784 + ... + 62616.

It is an arithmetic number, because the mean of its divisors is an integer number (42080857).

Almost surely, 2^1423034100 is an apocalyptic number.

1423034100 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 1423034100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2272366278).

1423034100 is an abundant number, since it is smaller than the sum of its proper divisors (3121698456).

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

1423034100 is a wasteful number, since it uses less digits than its factorization.

1423034100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29906 (or 29896 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1423034100 is about 37723.1242078384. The cubic root of 1423034100 is about 1124.7908351877.

Adding to 1423034100 its reverse (14303241), we get a palindrome (1437337341).

The spelling of 1423034100 in words is "one billion, four hundred twenty-three million, thirty-four thousand, one hundred".