1023111426 has 16 divisors (see below), whose sum is σ = 2069215200. Its totient is φ = 337205088.

The previous prime is 1023111421. The next prime is 1023111451. The reversal of 1023111426 is 6241113201.

It is not an unprimeable number, because it can be changed into a prime (1023111421) 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, 957436 + ... + 958503.

It is an arithmetic number, because the mean of its divisors is an integer number (129325950).

Almost surely, 2^1023111426 is an apocalyptic number.

1023111426 is an abundant number, since it is smaller than the sum of its proper divisors (1046103774).

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

1023111426 is a wasteful number, since it uses less digits than its factorization.

1023111426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916033.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1023111426 is about 31986.1130179958. The cubic root of 1023111426 is about 1007.6452104713.

Adding to 1023111426 its reverse (6241113201), we get a palindrome (7264224627).

The spelling of 1023111426 in words is "one billion, twenty-three million, one hundred eleven thousand, four hundred twenty-six".