1023005035442 has 16 divisors (see below), whose sum is σ = 1654729648152. Its totient is φ = 471532440960.

The previous prime is 1023005035421. The next prime is 1023005035463. The reversal of 1023005035442 is 2445305003201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1023005035421) and next prime (1023005035463).

It can be written as a sum of positive squares in 4 ways, for example, as 410431141201 + 612573894241 = 640649^2 + 782671^2 .

It is a super-2 number, since 2×1023005035442² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25968659 + ... + 26008022.

Almost surely, 2^{1023005035442} is an apocalyptic number.

1023005035442 is a deficient number, since it is larger than the sum of its proper divisors (631724612710).

1023005035442 is a wasteful number, since it uses less digits than its factorization.

1023005035442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51977453.

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 1023005035442 in words is "one trillion, twenty-three billion, five million, thirty-five thousand, four hundred forty-two".