1423151233 has 16 divisors (see below), whose sum is σ = 1635056640. Its totient is φ = 1213417296.

The previous prime is 1423151231. The next prime is 1423151237. The reversal of 1423151233 is 3321513241.

It is a happy number.

It is not a de Polignac number, because 1423151233 - 2¹ = 1423151231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1423151198 and 1423151207.

It is not an unprimeable number, because it can be changed into a prime (1423151231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1695828 + ... + 1696666.

It is an arithmetic number, because the mean of its divisors is an integer number (102191040).

Almost surely, 2^1423151233 is an apocalyptic number.

It is an amenable number.

1423151233 is a deficient number, since it is larger than the sum of its proper divisors (211905407).

1423151233 is an equidigital number, since it uses as much as digits as its factorization.

1423151233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836.

The product of its digits is 2160, while the sum is 25.

The square root of 1423151233 is about 37724.6767116698. The cubic root of 1423151233 is about 1124.8216956592.

Adding to 1423151233 its reverse (3321513241), we get a palindrome (4744664474).

The spelling of 1423151233 in words is "one billion, four hundred twenty-three million, one hundred fifty-one thousand, two hundred thirty-three".