1023263603453 has 16 divisors (see below), whose sum is σ = 1259446030080. Its totient is φ = 809586441216.

The previous prime is 1023263603357. The next prime is 1023263603503. The reversal of 1023263603453 is 3543063623201.

It is not a de Polignac number, because 1023263603453 - 2³² = 1018968636157 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023263603053) 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, 2593976 + ... + 2962302.

It is an arithmetic number, because the mean of its divisors is an integer number (78715376880).

Almost surely, 2^{1023263603453} is an apocalyptic number.

1023263603453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1023263603453 is a deficient number, since it is larger than the sum of its proper divisors (236182426627).

1023263603453 is a wasteful number, since it uses less digits than its factorization.

1023263603453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398876.

The product of its (nonzero) digits is 233280, while the sum is 38.

The spelling of 1023263603453 in words is "one trillion, twenty-three billion, two hundred sixty-three million, six hundred three thousand, four hundred fifty-three".