121232000423 has 4 divisors (see below), whose sum is σ = 123219410328. Its totient is φ = 119244590520.

The previous prime is 121232000411. The next prime is 121232000453. The reversal of 121232000423 is 324000232121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121232000423 - 2¹⁴ = 121231984039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121232000395 and 121232000404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121232000453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 993704861 + ... + 993704982.

It is an arithmetic number, because the mean of its divisors is an integer number (30804852582).

Almost surely, 2^121232000423 is an apocalyptic number.

121232000423 is a deficient number, since it is larger than the sum of its proper divisors (1987409905).

121232000423 is an equidigital number, since it uses as much as digits as its factorization.

121232000423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987409904.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 121232000423 its reverse (324000232121), we get a palindrome (445232232544).

The spelling of 121232000423 in words is "one hundred twenty-one billion, two hundred thirty-two million, four hundred twenty-three", and thus it is an aban number.