1023067995155 has 4 divisors (see below), whose sum is σ = 1227681594192. Its totient is φ = 818454396120.

The previous prime is 1023067995143. The next prime is 1023067995161. The reversal of 1023067995155 is 5515997603201.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1023067995155 - 2²⁰ = 1023066946579 is a prime.

It is a super-2 number, since 2×1023067995155² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023067995097 and 1023067995106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102306799511 + ... + 102306799520.

It is an arithmetic number, because the mean of its divisors is an integer number (306920398548).

Almost surely, 2^{1023067995155} is an apocalyptic number.

1023067995155 is a deficient number, since it is larger than the sum of its proper divisors (204613599037).

1023067995155 is an equidigital number, since it uses as much as digits as its factorization.

1023067995155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204613599036.

The product of its (nonzero) digits is 2551500, while the sum is 53.

The spelling of 1023067995155 in words is "one trillion, twenty-three billion, sixty-seven million, nine hundred ninety-five thousand, one hundred fifty-five".