1254533423 has 16 divisors (see below), whose sum is σ = 1488467232. Its totient is φ = 1042320000.

The previous prime is 1254533419. The next prime is 1254533431. The reversal of 1254533423 is 3243354521.

It is not a de Polignac number, because 1254533423 - 2² = 1254533419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1254533423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254533443) 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, 28988 + ... + 57873.

It is an arithmetic number, because the mean of its divisors is an integer number (93029202).

Almost surely, 2^1254533423 is an apocalyptic number.

1254533423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1254533423 is a deficient number, since it is larger than the sum of its proper divisors (233933809).

1254533423 is a wasteful number, since it uses less digits than its factorization.

1254533423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86986.

The product of its digits is 43200, while the sum is 32.

The square root of 1254533423 is about 35419.3933177857. The cubic root of 1254533423 is about 1078.5180356961.

Adding to 1254533423 its reverse (3243354521), we get a palindrome (4497887944).

The spelling of 1254533423 in words is "one billion, two hundred fifty-four million, five hundred thirty-three thousand, four hundred twenty-three".