1043203105623 has 16 divisors (see below), whose sum is σ = 1594146076416. Its totient is φ = 594427342080.

The previous prime is 1043203105619. The next prime is 1043203105627. The reversal of 1043203105623 is 3265013023401.

1043203105623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1043203105619) and next prime (1043203105627).

It is not a de Polignac number, because 1043203105623 - 2² = 1043203105619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043203105627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70355673 + ... + 70370498.

It is an arithmetic number, because the mean of its divisors is an integer number (99634129776).

Almost surely, 2^{1043203105623} is an apocalyptic number.

1043203105623 is a deficient number, since it is larger than the sum of its proper divisors (550942970793).

1043203105623 is a wasteful number, since it uses less digits than its factorization.

1043203105623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140726534.

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 1043203105623 in words is "one trillion, forty-three billion, two hundred three million, one hundred five thousand, six hundred twenty-three".