1023455435511 has 8 divisors (see below), whose sum is σ = 1364664513520. Its totient is φ = 682274990592.

The previous prime is 1023455435491. The next prime is 1023455435537. The reversal of 1023455435511 is 1155345543201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1023455435511 - 2³³ = 1014865500919 is a prime.

It is a super-2 number, since 2×1023455435511² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1023455435511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023455435551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7074730 + ... + 7217943.

It is an arithmetic number, because the mean of its divisors is an integer number (170583064190).

Almost surely, 2^{1023455435511} is an apocalyptic number.

1023455435511 is a deficient number, since it is larger than the sum of its proper divisors (341209078009).

1023455435511 is a wasteful number, since it uses less digits than its factorization.

1023455435511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14316545.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 1023455435511 in words is "one trillion, twenty-three billion, four hundred fifty-five million, four hundred thirty-five thousand, five hundred eleven".