1442123300 has 18 divisors (see below), whose sum is σ = 3129407778. Its totient is φ = 576849280.

The previous prime is 1442123273. The next prime is 1442123303. The reversal of 1442123300 is 33212441.

It can be written as a sum of positive squares in 3 ways, for example, as 232196644 + 1209926656 = 15238^2 + 34784^2 .

It is a super-2 number, since 2×1442123300² = 4159439224805780000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1442123303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7210517 + ... + 7210716.

Almost surely, 2^1442123300 is an apocalyptic number.

1442123300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442123300 is an abundant number, since it is smaller than the sum of its proper divisors (1687284478).

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

1442123300 is a wasteful number, since it uses less digits than its factorization.

1442123300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14421247 (or 14421240 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1442123300 is about 37975.2985505052. The cubic root of 1442123300 is about 1129.7979903593.

Adding to 1442123300 its reverse (33212441), we get a palindrome (1475335741).

The spelling of 1442123300 in words is "one billion, four hundred forty-two million, one hundred twenty-three thousand, three hundred".