1023301042312 has 8 divisors (see below), whose sum is σ = 1918689454350. Its totient is φ = 511650521152.

The previous prime is 1023301042297. The next prime is 1023301042319. The reversal of 1023301042312 is 2132401033201.

It can be written as a sum of positive squares in only one way, i.e., 1022756006596 + 545035716 = 1011314^2 + 23346^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1023301042312² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1023301042319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63956315137 + ... + 63956315152.

Almost surely, 2^{1023301042312} is an apocalyptic number.

It is an amenable number.

1023301042312 is a deficient number, since it is larger than the sum of its proper divisors (895388412038).

1023301042312 is a wasteful number, since it uses less digits than its factorization.

1023301042312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127912630295 (or 127912630291 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1023301042312 its reverse (2132401033201), we get a palindrome (3155702075513).

The spelling of 1023301042312 in words is "one trillion, twenty-three billion, three hundred one million, forty-two thousand, three hundred twelve".