1043023999623 has 32 divisors (see below), whose sum is σ = 1479057034752. Its totient is φ = 651537408000.

The previous prime is 1043023999603. The next prime is 1043023999631. The reversal of 1043023999623 is 3269993203401.

It is a happy number.

1043023999623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1043023999623 - 2²² = 1043019805319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043023999603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21449928 + ... + 21498498.

It is an arithmetic number, because the mean of its divisors is an integer number (46220532336).

Almost surely, 2^{1043023999623} is an apocalyptic number.

1043023999623 is a deficient number, since it is larger than the sum of its proper divisors (436033035129).

1043023999623 is a wasteful number, since it uses less digits than its factorization.

1043023999623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50455.

The product of its (nonzero) digits is 1889568, while the sum is 51.

The spelling of 1043023999623 in words is "one trillion, forty-three billion, twenty-three million, nine hundred ninety-nine thousand, six hundred twenty-three".