1254747423 has 8 divisors (see below), whose sum is σ = 1673527600. Its totient is φ = 836232768.

The previous prime is 1254747419. The next prime is 1254747443. The reversal of 1254747423 is 3247474521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1254747423 - 2² = 1254747419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254747443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55078 + ... + 74451.

It is an arithmetic number, because the mean of its divisors is an integer number (209190950).

Almost surely, 2^1254747423 is an apocalyptic number.

1254747423 is a deficient number, since it is larger than the sum of its proper divisors (418780177).

1254747423 is a wasteful number, since it uses less digits than its factorization.

1254747423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132761.

The product of its digits is 188160, while the sum is 39.

The square root of 1254747423 is about 35422.4141328623. The cubic root of 1254747423 is about 1078.5793572289.

The spelling of 1254747423 in words is "one billion, two hundred fifty-four million, seven hundred forty-seven thousand, four hundred twenty-three".