1023210143155 has 16 divisors (see below), whose sum is σ = 1258007889600. Its totient is φ = 798470909440.

The previous prime is 1023210143117. The next prime is 1023210143173. The reversal of 1023210143155 is 5513410123201.

It is not a de Polignac number, because 1023210143155 - 2⁷ = 1023210143027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 838386 + ... + 1658104.

It is an arithmetic number, because the mean of its divisors is an integer number (78625493100).

Almost surely, 2^{1023210143155} is an apocalyptic number.

1023210143155 is a deficient number, since it is larger than the sum of its proper divisors (234797746445).

1023210143155 is an equidigital number, since it uses as much as digits as its factorization.

1023210143155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825854.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 1023210143155 its reverse (5513410123201), we get a palindrome (6536620266356).

The spelling of 1023210143155 in words is "one trillion, twenty-three billion, two hundred ten million, one hundred forty-three thousand, one hundred fifty-five".