1154266423 has 4 divisors (see below), whose sum is σ = 1157907960. Its totient is φ = 1150624888.

The previous prime is 1154266387. The next prime is 1154266429. The reversal of 1154266423 is 3246624511.

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-1154266423 is a prime.

It is a super-3 number, since 3×1154266423³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154266429) 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, 1820293 + ... + 1820926.

It is an arithmetic number, because the mean of its divisors is an integer number (289476990).

Almost surely, 2^1154266423 is an apocalyptic number.

1154266423 is a deficient number, since it is larger than the sum of its proper divisors (3641537).

1154266423 is an equidigital number, since it uses as much as digits as its factorization.

1154266423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641536.

The product of its digits is 34560, while the sum is 34.

The square root of 1154266423 is about 33974.4966555798. The cubic root of 1154266423 is about 1048.9835736096.

The spelling of 1154266423 in words is "one billion, one hundred fifty-four million, two hundred sixty-six thousand, four hundred twenty-three".