1023454155 has 8 divisors (see below), whose sum is σ = 1637526672. Its totient is φ = 545842208.

The previous prime is 1023454147. The next prime is 1023454163. The reversal of 1023454155 is 5514543201.

1023454155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1023454147) and next prime (1023454163).

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 1023454155 - 2³ = 1023454147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34115124 + ... + 34115153.

It is an arithmetic number, because the mean of its divisors is an integer number (204690834).

Almost surely, 2^1023454155 is an apocalyptic number.

1023454155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1023454155 is a deficient number, since it is larger than the sum of its proper divisors (614072517).

1023454155 is an equidigital number, since it uses as much as digits as its factorization.

1023454155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68230285.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1023454155 is about 31991.4700349953. The cubic root of 1023454155 is about 1007.7577139162.

Adding to 1023454155 its reverse (5514543201), we get a palindrome (6537997356).

The spelling of 1023454155 in words is "one billion, twenty-three million, four hundred fifty-four thousand, one hundred fifty-five".