1423119492 has 36 divisors (see below), whose sum is σ = 3632956236. Its totient is φ = 469675200.

The previous prime is 1423119491. The next prime is 1423119547. The reversal of 1423119492 is 2949113241.

It can be written as a sum of positive squares in 2 ways, for example, as 884229696 + 538889796 = 29736^2 + 23214^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is not an unprimeable number, because it can be changed into a prime (1423119491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192063 + ... + 199334.

It is an arithmetic number, because the mean of its divisors is an integer number (100915451).

Almost surely, 2^1423119492 is an apocalyptic number.

1423119492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1423119492 is an abundant number, since it is smaller than the sum of its proper divisors (2209836744).

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

1423119492 is a wasteful number, since it uses less digits than its factorization.

1423119492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391508 (or 391503 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 1423119492 is about 37724.2560165207. The cubic root of 1423119492 is about 1124.8133331770.

The spelling of 1423119492 in words is "one billion, four hundred twenty-three million, one hundred nineteen thousand, four hundred ninety-two".