1023112134555 has 32 divisors (see below), whose sum is σ = 1952174214144. Its totient is φ = 447373255296.

The previous prime is 1023112134547. The next prime is 1023112134587. The reversal of 1023112134555 is 5554312113201.

It is not a de Polignac number, because 1023112134555 - 2³ = 1023112134547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211822044 + ... + 211826873.

It is an arithmetic number, because the mean of its divisors is an integer number (61005444192).

Almost surely, 2^{1023112134555} is an apocalyptic number.

1023112134555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1023112134555 is a deficient number, since it is larger than the sum of its proper divisors (929062079589).

1023112134555 is a wasteful number, since it uses less digits than its factorization.

1023112134555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423648955.

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 1023112134555 its reverse (5554312113201), we get a palindrome (6577424247756).

The spelling of 1023112134555 in words is "one trillion, twenty-three billion, one hundred twelve million, one hundred thirty-four thousand, five hundred fifty-five".