1023153535331 has 2 divisors, whose sum is σ = 1023153535332. Its totient is φ = 1023153535330.

The previous prime is 1023153535321. The next prime is 1023153535333. The reversal of 1023153535331 is 1335353513201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1023153535331 - 2³⁴ = 1005973666147 is a prime.

It is a super-2 number, since 2×1023153535331² (a number of 25 digits) contains 22 as substring.

Together with 1023153535333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1023153535291 and 1023153535300.

It is not a weakly prime, because it can be changed into another prime (1023153535333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511576767665 + 511576767666.

It is an arithmetic number, because the mean of its divisors is an integer number (511576767666).

Almost surely, 2^{1023153535331} is an apocalyptic number.

1023153535331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023153535331 is an equidigital number, since it uses as much as digits as its factorization.

1023153535331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60750, while the sum is 35.

The spelling of 1023153535331 in words is "one trillion, twenty-three billion, one hundred fifty-three million, five hundred thirty-five thousand, three hundred thirty-one".