1423651152 has 360 divisors, whose sum is σ = 4926226368. Its totient is φ = 346705920.

The previous prime is 1423651147. The next prime is 1423651153. The reversal of 1423651152 is 2511563241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423651153) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 14676768 + ... + 14676864.

Almost surely, 2^1423651152 is an apocalyptic number.

1423651152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423651152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2463113184).

1423651152 is an abundant number, since it is smaller than the sum of its proper divisors (3502575216).

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

1423651152 is a wasteful number, since it uses less digits than its factorization.

1423651152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 139 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 1423651152 is about 37731.3020183508. The cubic root of 1423651152 is about 1124.9533878959.

The spelling of 1423651152 in words is "one billion, four hundred twenty-three million, six hundred fifty-one thousand, one hundred fifty-two".