1423152040 has 16 divisors (see below), whose sum is σ = 3202092180. Its totient is φ = 569260800.

The previous prime is 1423152023. The next prime is 1423152077. The reversal of 1423152040 is 402513241.

It can be written as a sum of positive squares in 2 ways, for example, as 1181846884 + 241305156 = 34378^2 + 15534^2 .

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, 17789361 + ... + 17789440.

Almost surely, 2^1423152040 is an apocalyptic number.

1423152040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423152040 is an abundant number, since it is smaller than the sum of its proper divisors (1778940140).

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

1423152040 is a wasteful number, since it uses less digits than its factorization.

1423152040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35578812 (or 35578808 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1423152040 is about 37724.6874075850. The cubic root of 1423152040 is about 1124.8219082698.

Adding to 1423152040 its reverse (402513241), we get a palindrome (1825665281).

The spelling of 1423152040 in words is "one billion, four hundred twenty-three million, one hundred fifty-two thousand, forty".