1423500433 has 4 divisors (see below), whose sum is σ = 1436560180. Its totient is φ = 1410440688.

The previous prime is 1423500431. The next prime is 1423500461. The reversal of 1423500433 is 3340053241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3340053241 = 7 ⋅477150463.

It can be written as a sum of positive squares in 2 ways, for example, as 423865744 + 999634689 = 20588^2 + 31617^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423500433 - 2¹ = 1423500431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1423500398 and 1423500407.

It is not an unprimeable number, because it can be changed into a prime (1423500431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6529710 + ... + 6529927.

It is an arithmetic number, because the mean of its divisors is an integer number (359140045).

Almost surely, 2^1423500433 is an apocalyptic number.

It is an amenable number.

1423500433 is a deficient number, since it is larger than the sum of its proper divisors (13059747).

1423500433 is a wasteful number, since it uses less digits than its factorization.

1423500433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13059746.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 1423500433 is about 37729.3046980726. The cubic root of 1423500433 is about 1124.9136876662.

Adding to 1423500433 its reverse (3340053241), we get a palindrome (4763553674).

The spelling of 1423500433 in words is "one billion, four hundred twenty-three million, five hundred thousand, four hundred thirty-three".