1023145530405 has 16 divisors (see below), whose sum is σ = 1640450465280. Its totient is φ = 544538410688.

The previous prime is 1023145530361. The next prime is 1023145530409. The reversal of 1023145530405 is 5040355413201.

1023145530405 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1023145530405 - 2¹⁰ = 1023145529381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023145530409) 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, 71192922 + ... + 71207291.

It is an arithmetic number, because the mean of its divisors is an integer number (102528154080).

Almost surely, 2^{1023145530405} is an apocalyptic number.

1023145530405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1023145530405 is a deficient number, since it is larger than the sum of its proper divisors (617304934875).

1023145530405 is a wasteful number, since it uses less digits than its factorization.

1023145530405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142400700.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 1023145530405 in words is "one trillion, twenty-three billion, one hundred forty-five million, five hundred thirty thousand, four hundred five".