1023151455103 has 4 divisors (see below), whose sum is σ = 1023570610128. Its totient is φ = 1022732300080.

The previous prime is 1023151455089. The next prime is 1023151455107. The reversal of 1023151455103 is 3015541513201.

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-1023151455103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023151455107) 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, 209573851 + ... + 209578732.

It is an arithmetic number, because the mean of its divisors is an integer number (255892652532).

Almost surely, 2^{1023151455103} is an apocalyptic number.

1023151455103 is a deficient number, since it is larger than the sum of its proper divisors (419155025).

1023151455103 is an equidigital number, since it uses as much as digits as its factorization.

1023151455103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419155024.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 1023151455103 its reverse (3015541513201), we get a palindrome (4038692968304).

The spelling of 1023151455103 in words is "one trillion, twenty-three billion, one hundred fifty-one million, four hundred fifty-five thousand, one hundred three".