1035138623 has 2 divisors, whose sum is σ = 1035138624. Its totient is φ = 1035138622.

The previous prime is 1035138553. The next prime is 1035138641. The reversal of 1035138623 is 3268315301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1035138623 - 2¹⁴ = 1035122239 is a prime.

It is a super-2 number, since 2×1035138623² = 2143023937652672258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1035138623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1035131623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517569311 + 517569312.

It is an arithmetic number, because the mean of its divisors is an integer number (517569312).

Almost surely, 2^1035138623 is an apocalyptic number.

1035138623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1035138623 is an equidigital number, since it uses as much as digits as its factorization.

1035138623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 1035138623 is about 32173.5702557239. The cubic root of 1035138623 is about 1011.5782999201.

The spelling of 1035138623 in words is "one billion, thirty-five million, one hundred thirty-eight thousand, six hundred twenty-three".