1423043202 has 64 divisors (see below), whose sum is σ = 3366144000. Its totient is φ = 400816080.

The previous prime is 1423043201. The next prime is 1423043203. The reversal of 1423043202 is 2023403241.

It is an interprime number because it is at equal distance from previous prime (1423043201) and next prime (1423043203).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1423043201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141249 + ... + 150987.

It is an arithmetic number, because the mean of its divisors is an integer number (52596000).

Almost surely, 2^1423043202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423043202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1683072000).

1423043202 is an abundant number, since it is smaller than the sum of its proper divisors (1943100798).

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

1423043202 is an equidigital number, since it uses as much as digits as its factorization.

1423043202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9836 (or 9822 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1423043202 is about 37723.2448498270. The cubic root of 1423043202 is about 1124.7932333088.

Adding to 1423043202 its reverse (2023403241), we get a palindrome (3446446443).

The spelling of 1423043202 in words is "one billion, four hundred twenty-three million, forty-three thousand, two hundred two".