1423428850 has 24 divisors (see below), whose sum is σ = 2719137348. Its totient is φ = 553982400.

The previous prime is 1423428841. The next prime is 1423428883. The reversal of 1423428850 is 588243241.

It is a happy number.

1423428850 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 360734049 + 1062694801 = 18993^2 + 32599^2 .

It is a super-2 number, since 2×1423428850² = 4052299382024645000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 382861 + ... + 386560.

Almost surely, 2^1423428850 is an apocalyptic number.

1423428850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1423428850 is a deficient number, since it is larger than the sum of its proper divisors (1295708498).

1423428850 is a wasteful number, since it uses less digits than its factorization.

1423428850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769470 (or 769465 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 1423428850 is about 37728.3560468781. The cubic root of 1423428850 is about 1124.8948313211.

The spelling of 1423428850 in words is "one billion, four hundred twenty-three million, four hundred twenty-eight thousand, eight hundred fifty".