1423234152 has 80 divisors (see below), whose sum is σ = 4220898660. Its totient is φ = 446501376.

The previous prime is 1423234139. The next prime is 1423234157. The reversal of 1423234152 is 2514323241.

1423234152 is a `hidden beast` number, since 1 + 423 + 234 + 1 + 5 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1299890916 + 123343236 = 36054^2 + 11106^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1423234157) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 53583 + ... + 75614.

Almost surely, 2^1423234152 is an apocalyptic number.

1423234152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1423234152 is an abundant number, since it is smaller than the sum of its proper divisors (2797664508).

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

1423234152 is a wasteful number, since it uses less digits than its factorization.

1423234152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129232 (or 129219 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 1423234152 is about 37725.7756977905. The cubic root of 1423234152 is about 1124.8435409082.

Adding to 1423234152 its reverse (2514323241), we get a palindrome (3937557393).

It can be divided in two parts, 14232 and 34152, that added together give a palindrome (48384).

The spelling of 1423234152 in words is "one billion, four hundred twenty-three million, two hundred thirty-four thousand, one hundred fifty-two".