1154355023 has 2 divisors, whose sum is σ = 1154355024. Its totient is φ = 1154355022.

The previous prime is 1154355011. The next prime is 1154355043. The reversal of 1154355023 is 3205534511.

It is a weak prime.

It is an emirp because it is prime and its reverse (3205534511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1154355023 - 2¹⁸ = 1154092879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1154355043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577177511 + 577177512.

It is an arithmetic number, because the mean of its divisors is an integer number (577177512).

Almost surely, 2^1154355023 is an apocalyptic number.

1154355023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154355023 is an equidigital number, since it uses as much as digits as its factorization.

1154355023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1154355023 is about 33975.8005498031. The cubic root of 1154355023 is about 1049.0104124644.

Adding to 1154355023 its reverse (3205534511), we get a palindrome (4359889534).

It can be divided in two parts, 11543 and 55023, that added together give a palindrome (66566).

The spelling of 1154355023 in words is "one billion, one hundred fifty-four million, three hundred fifty-five thousand, twenty-three".