1142423112 has 16 divisors (see below), whose sum is σ = 2856057840. Its totient is φ = 380807696.

The previous prime is 1142423101. The next prime is 1142423123. The reversal of 1142423112 is 2113242411.

It is an interprime number because it is at equal distance from previous prime (1142423101) and next prime (1142423123).

It is a nude number because it is divisible by every one of its digits.

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, 23800458 + ... + 23800505.

It is an arithmetic number, because the mean of its divisors is an integer number (178503615).

Almost surely, 2^1142423112 is an apocalyptic number.

1142423112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1142423112 is an abundant number, since it is smaller than the sum of its proper divisors (1713634728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142423112 is a wasteful number, since it uses less digits than its factorization.

1142423112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47600972 (or 47600968 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 1142423112 is about 33799.7501765915. The cubic root of 1142423112 is about 1045.3835460914.

Adding to 1142423112 its reverse (2113242411), we get a palindrome (3255665523).

The spelling of 1142423112 in words is "one billion, one hundred forty-two million, four hundred twenty-three thousand, one hundred twelve".