1143023612 has 12 divisors (see below), whose sum is σ = 2033083416. Its totient is φ = 562142640.

The previous prime is 1143023591. The next prime is 1143023621. The reversal of 1143023612 is 2163203411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2342018 + ... + 2342505.

It is an arithmetic number, because the mean of its divisors is an integer number (169423618).

Almost surely, 2^1143023612 is an apocalyptic number.

It is an amenable number.

1143023612 is a deficient number, since it is larger than the sum of its proper divisors (890059804).

1143023612 is a wasteful number, since it uses less digits than its factorization.

1143023612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4684588 (or 4684586 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1143023612 is about 33808.6322113155. The cubic root of 1143023612 is about 1045.5666781420.

The spelling of 1143023612 in words is "one billion, one hundred forty-three million, twenty-three thousand, six hundred twelve".