1031126623 has 2 divisors, whose sum is σ = 1031126624. Its totient is φ = 1031126622.

The previous prime is 1031126617. The next prime is 1031126633. The reversal of 1031126623 is 3266211301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1031126623 - 2²¹ = 1029029471 is a prime.

It is a super-2 number, since 2×1031126623² = 2126444225318768258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031126633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515563311 + 515563312.

It is an arithmetic number, because the mean of its divisors is an integer number (515563312).

Almost surely, 2^1031126623 is an apocalyptic number.

1031126623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031126623 is an equidigital number, since it uses as much as digits as its factorization.

1031126623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1031126623 is about 32111.1604119191. The cubic root of 1031126623 is about 1010.2697129572.

Adding to 1031126623 its reverse (3266211301), we get a palindrome (4297337924).

The spelling of 1031126623 in words is "one billion, thirty-one million, one hundred twenty-six thousand, six hundred twenty-three".