1231023041998 has 32 divisors (see below), whose sum is σ = 1893018885120. Its totient is φ = 600189670080.

The previous prime is 1231023041993. The next prime is 1231023042049. The reversal of 1231023041998 is 8991403201321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231023041993) 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, 36726915 + ... + 36760417.

It is an arithmetic number, because the mean of its divisors is an integer number (59156840160).

Almost surely, 2^{1231023041998} is an apocalyptic number.

1231023041998 is a deficient number, since it is larger than the sum of its proper divisors (661995843122).

1231023041998 is a wasteful number, since it uses less digits than its factorization.

1231023041998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36072.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 1231023041998 in words is "one trillion, two hundred thirty-one billion, twenty-three million, forty-one thousand, nine hundred ninety-eight".