1423774146 has 32 divisors (see below), whose sum is σ = 2867316480. Its totient is φ = 471308544.

The previous prime is 1423774141. The next prime is 1423774153. The reversal of 1423774146 is 6414773241.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1423774141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619776 + ... + 622068.

It is an arithmetic number, because the mean of its divisors is an integer number (89603640).

Almost surely, 2^1423774146 is an apocalyptic number.

1423774146 is an abundant number, since it is smaller than the sum of its proper divisors (1443542334).

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

1423774146 is a wasteful number, since it uses less digits than its factorization.

1423774146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970.

The product of its digits is 112896, while the sum is 39.

The square root of 1423774146 is about 37732.9318500431. The cubic root of 1423774146 is about 1124.9857831290.

The spelling of 1423774146 in words is "one billion, four hundred twenty-three million, seven hundred seventy-four thousand, one hundred forty-six".