1023145520310 has 64 divisors (see below), whose sum is σ = 2802128299200. Its totient is φ = 265464781056.

The previous prime is 1023145520279. The next prime is 1023145520311. The reversal of 1023145520310 is 130255413201.

1023145520310 is a `hidden beast` number, since 1 + 0 + 2 + 3 + 1 + 455 + 203 + 1 + 0 = 666.

It is a super-2 number, since 2×1023145520310² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023145520311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51198495 + ... + 51218474.

It is an arithmetic number, because the mean of its divisors is an integer number (43783254675).

Almost surely, 2^{1023145520310} is an apocalyptic number.

1023145520310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1023145520310 is an abundant number, since it is smaller than the sum of its proper divisors (1778982778890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1023145520310 is a wasteful number, since it uses less digits than its factorization.

1023145520310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102417022 (or 102417016 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 1023145520310 in words is "one trillion, twenty-three billion, one hundred forty-five million, five hundred twenty thousand, three hundred ten".