1142323030 has 16 divisors (see below), whose sum is σ = 2122510464. Its totient is φ = 442189440.

The previous prime is 1142323019. The next prime is 1142323031. The reversal of 1142323030 is 303232411.

It is a junction number, because it is equal to n+sod(n) for n = 1142322989 and 1142323007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142323031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1842147 + ... + 1842766.

It is an arithmetic number, because the mean of its divisors is an integer number (132656904).

Almost surely, 2^1142323030 is an apocalyptic number.

1142323030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142323030 is a deficient number, since it is larger than the sum of its proper divisors (980187434).

1142323030 is a wasteful number, since it uses less digits than its factorization.

1142323030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3684951.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1142323030 is about 33798.2696302636. The cubic root of 1142323030 is about 1045.3530182509.

Adding to 1142323030 its reverse (303232411), we get a palindrome (1445555441).

It can be divided in two parts, 11423 and 23030, that added together give a triangular number (34453 = T₂₆₂).

The spelling of 1142323030 in words is "one billion, one hundred forty-two million, three hundred twenty-three thousand, thirty".