1145031442023 has 8 divisors (see below), whose sum is σ = 1744809816448. Its totient is φ = 654303681144.

The previous prime is 1145031442013. The next prime is 1145031442031. The reversal of 1145031442023 is 3202441305411.

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

It is not a de Polignac number, because 1145031442023 - 2⁹ = 1145031441511 is a prime.

It is a super-2 number, since 2×1145031442023² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145031442013) 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, 27262653361 + ... + 27262653402.

It is an arithmetic number, because the mean of its divisors is an integer number (218101227056).

Almost surely, 2^{1145031442023} is an apocalyptic number.

1145031442023 is a deficient number, since it is larger than the sum of its proper divisors (599778374425).

1145031442023 is an equidigital number, since it uses as much as digits as its factorization.

1145031442023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54525306773.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1145031442023 its reverse (3202441305411), we get a palindrome (4347472747434).

The spelling of 1145031442023 in words is "one trillion, one hundred forty-five billion, thirty-one million, four hundred forty-two thousand, twenty-three".