1023154112002 has 32 divisors (see below), whose sum is σ = 1693412568000. Its totient is φ = 459749875200.

The previous prime is 1023154111997. The next prime is 1023154112003. The reversal of 1023154112002 is 2002114513201.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1023154112003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9932602 + ... + 10035082.

It is an arithmetic number, because the mean of its divisors is an integer number (52919142750).

Almost surely, 2^{1023154112002} is an apocalyptic number.

1023154112002 is a deficient number, since it is larger than the sum of its proper divisors (670258455998).

1023154112002 is a wasteful number, since it uses less digits than its factorization.

1023154112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107682.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 1023154112002 its reverse (2002114513201), we get a palindrome (3025268625203).

The spelling of 1023154112002 in words is "one trillion, twenty-three billion, one hundred fifty-four million, one hundred twelve thousand, two".