1230144293 has 16 divisors (see below), whose sum is σ = 1489549824. Its totient is φ = 991737600.

The previous prime is 1230144287. The next prime is 1230144343. The reversal of 1230144293 is 3924410321.

It is not a de Polignac number, because 1230144293 - 2²⁰ = 1229095717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230144283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277571 + ... + 281967.

It is an arithmetic number, because the mean of its divisors is an integer number (93096864).

Almost surely, 2^1230144293 is an apocalyptic number.

It is an amenable number.

1230144293 is a deficient number, since it is larger than the sum of its proper divisors (259405531).

1230144293 is a wasteful number, since it uses less digits than its factorization.

1230144293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6772.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1230144293 is about 35073.4129077853. The cubic root of 1230144293 is about 1071.4831654713.

The spelling of 1230144293 in words is "one billion, two hundred thirty million, one hundred forty-four thousand, two hundred ninety-three".