1254142423 has 4 divisors (see below), whose sum is σ = 1255359888. Its totient is φ = 1252924960.

The previous prime is 1254142403. The next prime is 1254142427. The reversal of 1254142423 is 3242414521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1254142423 - 2¹⁷ = 1254011351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1254142391 and 1254142400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254142427) 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, 607186 + ... + 609247.

It is an arithmetic number, because the mean of its divisors is an integer number (313839972).

Almost surely, 2^1254142423 is an apocalyptic number.

1254142423 is a deficient number, since it is larger than the sum of its proper divisors (1217465).

1254142423 is a wasteful number, since it uses less digits than its factorization.

1254142423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217464.

The product of its digits is 7680, while the sum is 28.

The square root of 1254142423 is about 35413.8733125875. The cubic root of 1254142423 is about 1078.4059769386.

Adding to 1254142423 its reverse (3242414521), we get a palindrome (4496556944).

The spelling of 1254142423 in words is "one billion, two hundred fifty-four million, one hundred forty-two thousand, four hundred twenty-three".