1423928506 has 64 divisors (see below), whose sum is σ = 2885621760. Its totient is φ = 508916160.

The previous prime is 1423928503. The next prime is 1423928509. The reversal of 1423928506 is 6058293241.

It is an interprime number because it is at equal distance from previous prime (1423928503) and next prime (1423928509).

It is not an unprimeable number, because it can be changed into a prime (1423928503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 332205 + ... + 336463.

It is an arithmetic number, because the mean of its divisors is an integer number (45087840).

Almost surely, 2^1423928506 is an apocalyptic number.

1423928506 is an abundant number, since it is smaller than the sum of its proper divisors (1461693254).

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

1423928506 is a wasteful number, since it uses less digits than its factorization.

1423928506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4459.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 1423928506 is about 37734.9772227306. The cubic root of 1423928506 is about 1125.0264371730.

It can be divided in two parts, 1423 and 928506, that added together give a palindrome (929929).

The spelling of 1423928506 in words is "one billion, four hundred twenty-three million, nine hundred twenty-eight thousand, five hundred six".