121231000303023 has 16 divisors (see below), whose sum is σ = 183237139460480. Its totient is φ = 70677182362464.

The previous prime is 121231000303013. The next prime is 121231000303027. The reversal of 121231000303023 is 320303000132121.

It is not a de Polignac number, because 121231000303023 - 2¹² = 121231000298927 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 (121231000303027) 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, 81802293661 + ... + 81802295142.

It is an arithmetic number, because the mean of its divisors is an integer number (11452321216280).

Almost surely, 2^{121231000303023} is an apocalyptic number.

121231000303023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121231000303023 is a deficient number, since it is larger than the sum of its proper divisors (62006139157457).

121231000303023 is a wasteful number, since it uses less digits than its factorization.

121231000303023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163604588838.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 121231000303023 its reverse (320303000132121), we get a palindrome (441534000435144).

The spelling of 121231000303023 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, three hundred three thousand, twenty-three".