1244930423 has 4 divisors (see below), whose sum is σ = 1358105928. Its totient is φ = 1131754920.

The previous prime is 1244930419. The next prime is 1244930429. The reversal of 1244930423 is 3240394421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3240394421 = 11 ⋅294581311.

It is a cyclic number.

It is not a de Polignac number, because 1244930423 - 2² = 1244930419 is a prime.

It is a super-2 number, since 2×1244930423² = 3099703516221917858, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1244930423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244930429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56587736 + ... + 56587757.

It is an arithmetic number, because the mean of its divisors is an integer number (339526482).

Almost surely, 2^1244930423 is an apocalyptic number.

1244930423 is a deficient number, since it is larger than the sum of its proper divisors (113175505).

1244930423 is a wasteful number, since it uses less digits than its factorization.

1244930423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113175504.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 1244930423 is about 35283.5715737509. The cubic root of 1244930423 is about 1075.7590955064.

The spelling of 1244930423 in words is "one billion, two hundred forty-four million, nine hundred thirty thousand, four hundred twenty-three".