1023422311512 has 80 divisors (see below), whose sum is σ = 2958998856000. Its totient is φ = 330136223040.

The previous prime is 1023422311511. The next prime is 1023422311517. The reversal of 1023422311512 is 2151132243201.

It is a happy number.

1023422311512 is a `hidden beast` number, since 1 + 0 + 2 + 342 + 2 + 311 + 5 + 1 + 2 = 666.

It is a super-2 number, since 2×1023422311512² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023422311511) 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 19 ways as a sum of consecutive naturals, for example, 25453387 + ... + 25493562.

It is an arithmetic number, because the mean of its divisors is an integer number (36987485700).

Almost surely, 2^{1023422311512} is an apocalyptic number.

1023422311512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1023422311512 is an abundant number, since it is smaller than the sum of its proper divisors (1935576544488).

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

1023422311512 is a wasteful number, since it uses less digits than its factorization.

1023422311512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50946998 (or 50946985 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 1023422311512 its reverse (2151132243201), we get a palindrome (3174554554713).

The spelling of 1023422311512 in words is "one trillion, twenty-three billion, four hundred twenty-two million, three hundred eleven thousand, five hundred twelve".