1023122252431 has 4 divisors (see below), whose sum is σ = 1028423404192. Its totient is φ = 1017821100672.

The previous prime is 1023122252413. The next prime is 1023122252483. The reversal of 1023122252431 is 1342522213201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1023122252431 - 2²⁵ = 1023088697999 is a prime.

It is a super-2 number, since 2×1023122252431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1023122252431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023122252731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2650575591 + ... + 2650575976.

It is an arithmetic number, because the mean of its divisors is an integer number (257105851048).

Almost surely, 2^{1023122252431} is an apocalyptic number.

1023122252431 is a deficient number, since it is larger than the sum of its proper divisors (5301151761).

1023122252431 is an equidigital number, since it uses as much as digits as its factorization.

1023122252431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5301151760.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 1023122252431 its reverse (1342522213201), we get a palindrome (2365644465632).

The spelling of 1023122252431 in words is "one trillion, twenty-three billion, one hundred twenty-two million, two hundred fifty-two thousand, four hundred thirty-one".