1023453330345 has 48 divisors (see below), whose sum is σ = 1870188091200. Its totient is φ = 516328283520.

The previous prime is 1023453330311. The next prime is 1023453330349. The reversal of 1023453330345 is 5430333543201.

1023453330345 is a `hidden beast` number, since 1 + 0 + 2 + 345 + 3 + 3 + 303 + 4 + 5 = 666.

It is not a de Polignac number, because 1023453330345 - 2¹² = 1023453326249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023453330349) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 344766 + ... + 1471655.

It is an arithmetic number, because the mean of its divisors is an integer number (38962251900).

Almost surely, 2^{1023453330345} is an apocalyptic number.

1023453330345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1023453330345 is a deficient number, since it is larger than the sum of its proper divisors (846734760855).

1023453330345 is a wasteful number, since it uses less digits than its factorization.

1023453330345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817110 (or 1817107 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 36.

Adding to 1023453330345 its reverse (5430333543201), we get a palindrome (6453786873546).

The spelling of 1023453330345 in words is "one trillion, twenty-three billion, four hundred fifty-three million, three hundred thirty thousand, three hundred forty-five".