1244000023 has 16 divisors (see below), whose sum is σ = 1491650560. Its totient is φ = 1014962400.

The previous prime is 1244000003. The next prime is 1244000101. The reversal of 1244000023 is 3200004421.

It is a cyclic number.

It is not a de Polignac number, because 1244000023 - 2¹³ = 1243991831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1243999970 and 1244000006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33753 + ... + 60226.

It is an arithmetic number, because the mean of its divisors is an integer number (93228160).

Almost surely, 2^1244000023 is an apocalyptic number.

1244000023 is a deficient number, since it is larger than the sum of its proper divisors (247650537).

1244000023 is an equidigital number, since it uses as much as digits as its factorization.

1244000023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94078.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1244000023 is about 35270.3845031494. The cubic root of 1244000023 is about 1075.4910388383.

Adding to 1244000023 its reverse (3200004421), we get a palindrome (4444004444).

The spelling of 1244000023 in words is "one billion, two hundred forty-four million, twenty-three", and thus it is an aban number.