1254623323 has 4 divisors (see below), whose sum is σ = 1255963240. Its totient is φ = 1253283408.

The previous prime is 1254623281. The next prime is 1254623339. The reversal of 1254623323 is 3233264521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3233264521 = 79 ⋅40927399.

It is a cyclic number.

It is not a de Polignac number, because 1254623323 - 2²⁹ = 717752411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1254623423) 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, 668553 + ... + 670426.

It is an arithmetic number, because the mean of its divisors is an integer number (313990810).

Almost surely, 2^1254623323 is an apocalyptic number.

1254623323 is a deficient number, since it is larger than the sum of its proper divisors (1339917).

1254623323 is an equidigital number, since it uses as much as digits as its factorization.

1254623323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339916.

The product of its digits is 25920, while the sum is 31.

The square root of 1254623323 is about 35420.6623738179. The cubic root of 1254623323 is about 1078.5437973202.

Adding to 1254623323 its reverse (3233264521), we get a palindrome (4487887844).

The spelling of 1254623323 in words is "one billion, two hundred fifty-four million, six hundred twenty-three thousand, three hundred twenty-three".