1023515234453 has 8 divisors (see below), whose sum is σ = 1047355768800. Its totient is φ = 999676420848.

The previous prime is 1023515234437. The next prime is 1023515234471. The reversal of 1023515234453 is 3544325153201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1023515234453 - 2⁴ = 1023515234437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023515233453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 814763 + ... + 1646471.

It is an arithmetic number, because the mean of its divisors is an integer number (130919471100).

Almost surely, 2^{1023515234453} is an apocalyptic number.

It is an amenable number.

1023515234453 is a deficient number, since it is larger than the sum of its proper divisors (23840534347).

1023515234453 is an equidigital number, since it uses as much as digits as its factorization.

1023515234453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860371.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 1023515234453 in words is "one trillion, twenty-three billion, five hundred fifteen million, two hundred thirty-four thousand, four hundred fifty-three".