1423571412 has 24 divisors (see below), whose sum is σ = 3325795200. Its totient is φ = 473934016.

The previous prime is 1423571393. The next prime is 1423571423. The reversal of 1423571412 is 2141753241.

It is a self number, because there is not a number n which added to its sum of digits gives 1423571412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63612 + ... + 83027.

It is an arithmetic number, because the mean of its divisors is an integer number (138574800).

Almost surely, 2^1423571412 is an apocalyptic number.

1423571412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1423571412 is an abundant number, since it is smaller than the sum of its proper divisors (1902223788).

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

1423571412 is a wasteful number, since it uses less digits than its factorization.

1423571412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147455 (or 147453 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 1423571412 is about 37730.2453212274. The cubic root of 1423571412 is about 1124.9323842819.

The spelling of 1423571412 in words is "one billion, four hundred twenty-three million, five hundred seventy-one thousand, four hundred twelve".