1142152323 has 8 divisors (see below), whose sum is σ = 1640013648. Its totient is φ = 702862944.

The previous prime is 1142152321. The next prime is 1142152367. The reversal of 1142152323 is 3232512411.

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

It is not a de Polignac number, because 1142152323 - 2¹ = 1142152321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142152293 and 1142152302.

It is not an unprimeable number, because it can be changed into a prime (1142152321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14642940 + ... + 14643017.

It is an arithmetic number, because the mean of its divisors is an integer number (205001706).

Almost surely, 2^1142152323 is an apocalyptic number.

1142152323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1142152323 is a deficient number, since it is larger than the sum of its proper divisors (497861325).

1142152323 is a wasteful number, since it uses less digits than its factorization.

1142152323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29285973.

The product of its digits is 1440, while the sum is 24.

The square root of 1142152323 is about 33795.7441551447. The cubic root of 1142152323 is about 1045.3009436734.

Adding to 1142152323 its reverse (3232512411), we get a palindrome (4374664734).

The spelling of 1142152323 in words is "one billion, one hundred forty-two million, one hundred fifty-two thousand, three hundred twenty-three".