1023202235442 has 16 divisors (see below), whose sum is σ = 2047185274752. Its totient is φ = 340937277840.

The previous prime is 1023202235441. The next prime is 1023202235477. The reversal of 1023202235442 is 2445322023201.

It is a super-2 number, since 2×1023202235442² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1023202235441) 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, 32516458 + ... + 32547909.

It is an arithmetic number, because the mean of its divisors is an integer number (127949079672).

Almost surely, 2^{1023202235442} is an apocalyptic number.

1023202235442 is an abundant number, since it is smaller than the sum of its proper divisors (1023983039310).

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

1023202235442 is a wasteful number, since it uses less digits than its factorization.

1023202235442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65066993.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 1023202235442 its reverse (2445322023201), we get a palindrome (3468524258643).

The spelling of 1023202235442 in words is "one trillion, twenty-three billion, two hundred two million, two hundred thirty-five thousand, four hundred forty-two".