1254143223 has 16 divisors (see below), whose sum is σ = 1917926400. Its totient is φ = 809124120.

The previous prime is 1254143213. The next prime is 1254143239. The reversal of 1254143223 is 3223414521.

1254143223 is a `hidden beast` number, since 1 + 25 + 414 + 3 + 223 = 666.

It is not a de Polignac number, because 1254143223 - 2⁹ = 1254142711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254143213) 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, 748353 + ... + 750026.

It is an arithmetic number, because the mean of its divisors is an integer number (119870400).

Almost surely, 2^1254143223 is an apocalyptic number.

1254143223 is a deficient number, since it is larger than the sum of its proper divisors (663783177).

1254143223 is a wasteful number, since it uses less digits than its factorization.

1254143223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498419 (or 1498413 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 1254143223 is about 35413.8846075942. The cubic root of 1254143223 is about 1078.4062062386.

Adding to 1254143223 its reverse (3223414521), we get a palindrome (4477557744).

The spelling of 1254143223 in words is "one billion, two hundred fifty-four million, one hundred forty-three thousand, two hundred twenty-three".