123231231151 has 16 divisors (see below), whose sum is σ = 141977518848. Its totient is φ = 104771160000.

The previous prime is 123231231121. The next prime is 123231231209. The reversal of 123231231151 is 151132132321.

It is a cyclic number.

It is not a de Polignac number, because 123231231151 - 2⁷ = 123231231023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123231231121) 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, 1989651 + ... + 2050651.

It is an arithmetic number, because the mean of its divisors is an integer number (8873594928).

Almost surely, 2^123231231151 is an apocalyptic number.

123231231151 is a deficient number, since it is larger than the sum of its proper divisors (18746287697).

123231231151 is a wasteful number, since it uses less digits than its factorization.

123231231151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63342.

The product of its digits is 1080, while the sum is 25.

Adding to 123231231151 its reverse (151132132321), we get a palindrome (274363363472).

The spelling of 123231231151 in words is "one hundred twenty-three billion, two hundred thirty-one million, two hundred thirty-one thousand, one hundred fifty-one".