1023412555143 has 24 divisors (see below), whose sum is σ = 1672377872256. Its totient is φ = 620250031800.

The previous prime is 1023412555049. The next prime is 1023412555181. The reversal of 1023412555143 is 3415552143201.

1023412555143 is a `hidden beast` number, since 1 + 0 + 2 + 3 + 41 + 25 + 551 + 43 = 666.

It is not a de Polignac number, because 1023412555143 - 2¹³ = 1023412546951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1023412555098 and 1023412555107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023412555343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191432523 + ... + 191437868.

It is an arithmetic number, because the mean of its divisors is an integer number (69682411344).

Almost surely, 2^{1023412555143} is an apocalyptic number.

1023412555143 is a deficient number, since it is larger than the sum of its proper divisors (648965317113).

1023412555143 is an equidigital number, since it uses as much as digits as its factorization.

1023412555143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382870417 (or 382870405 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 1023412555143 its reverse (3415552143201), we get a palindrome (4438964698344).

The spelling of 1023412555143 in words is "one trillion, twenty-three billion, four hundred twelve million, five hundred fifty-five thousand, one hundred forty-three".