1254434023 has 4 divisors (see below), whose sum is σ = 1254667320. Its totient is φ = 1254200728.

The previous prime is 1254433997. The next prime is 1254434057. The reversal of 1254434023 is 3204344521.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1254434023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1254433982 and 1254434000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254438023) 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, 108388 + ... + 119401.

It is an arithmetic number, because the mean of its divisors is an integer number (313666830).

Almost surely, 2^1254434023 is an apocalyptic number.

1254434023 is a deficient number, since it is larger than the sum of its proper divisors (233297).

1254434023 is an equidigital number, since it uses as much as digits as its factorization.

1254434023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233296.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 1254434023 is about 35417.9901039006. The cubic root of 1254434023 is about 1078.4895503319.

Adding to 1254434023 its reverse (3204344521), we get a palindrome (4458778544).

The spelling of 1254434023 in words is "one billion, two hundred fifty-four million, four hundred thirty-four thousand, twenty-three".