1254455623 has 8 divisors (see below), whose sum is σ = 1270423440. Its totient is φ = 1238529600.

The previous prime is 1254455621. The next prime is 1254455633. The reversal of 1254455623 is 3265544521.

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

It is a cyclic number.

It is not a de Polignac number, because 1254455623 - 2¹ = 1254455621 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 (1254455621) 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, 52336 + ... + 72442.

It is an arithmetic number, because the mean of its divisors is an integer number (158802930).

Almost surely, 2^1254455623 is an apocalyptic number.

1254455623 is a deficient number, since it is larger than the sum of its proper divisors (15967817).

1254455623 is an equidigital number, since it uses as much as digits as its factorization.

1254455623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20897.

The product of its digits is 144000, while the sum is 37.

The square root of 1254455623 is about 35418.2950323699. The cubic root of 1254455623 is about 1078.4957404384.

The spelling of 1254455623 in words is "one billion, two hundred fifty-four million, four hundred fifty-five thousand, six hundred twenty-three".