1023040040142 has 16 divisors (see below), whose sum is σ = 2053310048640. Its totient is φ = 339808351992.

The previous prime is 1023040040137. The next prime is 1023040040153. The reversal of 1023040040142 is 2410400403201.

It is a super-2 number, since 2×1023040040142² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301246842 + ... + 301250237.

It is an arithmetic number, because the mean of its divisors is an integer number (128331878040).

Almost surely, 2^{1023040040142} is an apocalyptic number.

1023040040142 is an abundant number, since it is smaller than the sum of its proper divisors (1030270008498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023040040142 is a wasteful number, since it uses less digits than its factorization.

1023040040142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602497367.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1023040040142 its reverse (2410400403201), we get a palindrome (3433440443343).

The spelling of 1023040040142 in words is "one trillion, twenty-three billion, forty million, forty thousand, one hundred forty-two".