121230430023 has 16 divisors (see below), whose sum is σ = 166881862656. Its totient is φ = 78200488320.

The previous prime is 121230430019. The next prime is 121230430081. The reversal of 121230430023 is 320034032121.

It is not a de Polignac number, because 121230430023 - 2² = 121230430019 is a prime.

It is a super-2 number, since 2×121230430023² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121230432023) 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, 488236 + ... + 693422.

It is an arithmetic number, because the mean of its divisors is an integer number (10430116416).

Almost surely, 2^121230430023 is an apocalyptic number.

121230430023 is a deficient number, since it is larger than the sum of its proper divisors (45651432633).

121230430023 is a wasteful number, since it uses less digits than its factorization.

121230430023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211574.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 121230430023 its reverse (320034032121), we get a palindrome (441264462144).

The spelling of 121230430023 in words is "one hundred twenty-one billion, two hundred thirty million, four hundred thirty thousand, twenty-three".