1423502450 has 12 divisors (see below), whose sum is σ = 2647714650. Its totient is φ = 569400960.

The previous prime is 1423502449. The next prime is 1423502459. The reversal of 1423502450 is 542053241.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 620856889 + 802645561 = 24917^2 + 28331^2 .

It is not an unprimeable number, because it can be changed into a prime (1423502459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14234975 + ... + 14235074.

Almost surely, 2^1423502450 is an apocalyptic number.

1423502450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1423502450 is a deficient number, since it is larger than the sum of its proper divisors (1224212200).

1423502450 is a wasteful number, since it uses less digits than its factorization.

1423502450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28470061 (or 28470056 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1423502450 is about 37729.3314279487. The cubic root of 1423502450 is about 1124.9142189738.

Adding to 1423502450 its reverse (542053241), we get a palindrome (1965555691).

The spelling of 1423502450 in words is "one billion, four hundred twenty-three million, five hundred two thousand, four hundred fifty".