1154301223 has 2 divisors, whose sum is σ = 1154301224. Its totient is φ = 1154301222.

The previous prime is 1154301221. The next prime is 1154301251. The reversal of 1154301223 is 3221034511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1154301223 - 2¹ = 1154301221 is a prime.

It is a super-2 number, since 2×1154301223² = 2664822626838591458, which contains 22 as substring.

Together with 1154301221, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1154301194 and 1154301203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1154301221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577150611 + 577150612.

It is an arithmetic number, because the mean of its divisors is an integer number (577150612).

Almost surely, 2^1154301223 is an apocalyptic number.

1154301223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154301223 is an equidigital number, since it uses as much as digits as its factorization.

1154301223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1154301223 is about 33975.0088005875. The cubic root of 1154301223 is about 1048.9941154455.

Adding to 1154301223 its reverse (3221034511), we get a palindrome (4375335734).

The spelling of 1154301223 in words is "one billion, one hundred fifty-four million, three hundred one thousand, two hundred twenty-three".