1143233402 has 8 divisors (see below), whose sum is σ = 1720910496. Its totient is φ = 569596572.

The previous prime is 1143233347. The next prime is 1143233417. The reversal of 1143233402 is 2043323411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1143233402² = 2613965222896987208, which contains 22 as substring.

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, 1009358 + ... + 1010489.

It is an arithmetic number, because the mean of its divisors is an integer number (215113812).

Almost surely, 2^1143233402 is an apocalyptic number.

1143233402 is a deficient number, since it is larger than the sum of its proper divisors (577677094).

1143233402 is a wasteful number, since it uses less digits than its factorization.

1143233402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020132.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1143233402 is about 33811.7346789543. The cubic root of 1143233402 is about 1045.6306418294.

Adding to 1143233402 its reverse (2043323411), we get a palindrome (3186556813).

Subtracting 1143233402 from its reverse (2043323411), we obtain a palindrome (900090009).

The spelling of 1143233402 in words is "one billion, one hundred forty-three million, two hundred thirty-three thousand, four hundred two".