1423099860 has 192 divisors, whose sum is σ = 4974649344. Its totient is φ = 295948800.

The previous prime is 1423099859. The next prime is 1423099871. The reversal of 1423099860 is 689903241.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 385825 + ... + 389495.

It is an arithmetic number, because the mean of its divisors is an integer number (25909632).

Almost surely, 2^1423099860 is an apocalyptic number.

1423099860 is a gapful number since it is divisible by the number (10) 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 1423099860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2487324672).

1423099860 is an abundant number, since it is smaller than the sum of its proper divisors (3551549484).

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

1423099860 is a wasteful number, since it uses less digits than its factorization.

1423099860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3774 (or 3772 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 1423099860 is about 37723.9958116846. The cubic root of 1423099860 is about 1124.8081608690.

The spelling of 1423099860 in words is "one billion, four hundred twenty-three million, ninety-nine thousand, eight hundred sixty".