121035132423 has 6 divisors (see below), whose sum is σ = 174828524624. Its totient is φ = 80690088276.

The previous prime is 121035132353. The next prime is 121035132437. The reversal of 121035132423 is 324231530121.

121035132423 is a `hidden beast` number, since 1 + 2 + 103 + 5 + 132 + 423 = 666.

It is not a de Polignac number, because 121035132423 - 2⁹ = 121035131911 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 (121035131423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6724174015 + ... + 6724174032.

Almost surely, 2^121035132423 is an apocalyptic number.

121035132423 is a deficient number, since it is larger than the sum of its proper divisors (53793392201).

121035132423 is a wasteful number, since it uses less digits than its factorization.

121035132423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13448348053 (or 13448348050 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 121035132423 its reverse (324231530121), we get a palindrome (445266662544).

The spelling of 121035132423 in words is "one hundred twenty-one billion, thirty-five million, one hundred thirty-two thousand, four hundred twenty-three".